Tech Blog
Technical articles from the KGA engineering team
ConnectWise Cloud Backup (formerly SkyKick): stolen credential opened Microsoft 365 tenants — what to check now
Credentials for ConnectWise Cloud Backup apps, formerly SkyKick, were used to get into customers' Microsoft 365 tenants with no password or MFA. Huntress confirmed 162 affected tenants, and ConnectWise disabled seven applications and suspended backups with no restoration date. What happened, the app IDs to look up in Entra and a checklist for SMBs.
KGA IT
Sarashina: SoftBank Intuitions free beta with 6 API models — how to try it safely
On 13 Oct 2026 SB Intuitions launched the free Sarashina service beta: six Sarashina3 models via API (mini, nano, embedding, rerank, guard, translate) plus web chat. Google login, rate limits, usage data may train models. An SMB guide for Japan.
KGA IT
FortiMail CVE-2026-104286: exploited critical flaw now has fixes — check for compromise before updating
Fortinet confirmed attacks on CVE-2026-104286 (CVSS 9.8) in FortiMail, which lets unauthenticated attackers write files through the IBE feature. Fixes are in 8.0.2, 7.6.7 and 7.4.9, the 7.2 branch gets no patch and CISA requires forensic triage. Affected versions, official mitigation, signs of compromise and an SMB checklist.
KGA IT
Japan's data-breach wave: what JPCERT/CC and IPA say to check right now
JPCERT/CC (AT-2026-0030), IPA and METI issued alerts on October 8–9 about Japan's wave of data breaches. Here are the four attack patterns observed (known vulnerabilities, API abuse, Metabase CVE-2026-72898 and web shells), the recommended API measures and the immediate checklist for SMBs.
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GPT-5.5 leaves ChatGPT, Work and Codex on October 14 — what changes and a migration checklist
OpenAI retires GPT-5.5 from ChatGPT, ChatGPT Work and Codex on October 14, 2026 across all plans. The API is not in this notice. Official replacements (GPT-6 Sol / GPT-6 Luna) and a checklist for defaults, agents and scheduled tasks.
KGA IT
Windows 11 24H2 Home and Pro reach end of updates today, October 13 — how to move to 25H2 or 26H2
Windows 11 version 24H2 Home and Pro stop receiving security updates today, October 13, 2026. Who is affected, how to check your version, how to upgrade to 25H2 or 26H2 and the deadlines for Enterprise and Education editions, including 23H2 on November 10.
KGA IT
Baitoru breach: overseas access exposes up to 3.88 million member emails at dip's Japanese job site
dip has confirmed that unauthorized access from overseas exploited a specification flaw in Baitoru and Baitoru NEXT and exposed up to 3,885,771 member email addresses. Names, phone numbers, passwords and cards were not leaked. What has been confirmed, the job-themed phishing risk and what your business should review.
KGA IT
Sakana AI unveils MASS: one model that teams up with copies of itself to self-improve
Sakana AI has published MASS, a method in which the same model executes tasks, optimizes multi-agent workflows and evaluates the results. Over two cycles with Qwen3.6-27B, score per output token reached 1.2–1.6× the base on four research benchmarks. How it works, how to try the code safely and the blind-spot warnings.
KGA IT
OpenAI is retiring custom GPTs on December 11: what changes and how to migrate to plugins before the deadline
OpenAI will retire ChatGPT's custom GPTs on December 11, 2026 and replace them with skill-based plugins. On Enterprise, creation of new GPTs ends on October 26. Here is what migrates, what stays behind (model, custom actions, sharing) and a checklist so your business can migrate without breaking workflows.
KGA IT
Commune breach: community platform flaw exposes data on 307,000 members of Sansan, Suzuki, Yamaha and other brands
An attacker used private-community invitation links and impersonated administrators on the Japanese platform Commune, exposing data on about 307,000 members of customer communities such as Sansan, Suzuki, Yamaha and Morinaga. Here is what has been confirmed, the phishing risk and what your business should review in its cloud vendors.
KGA IT
Atlassian CVE-2026-21589: critical no-login flaw in Jira, Confluence and Bitbucket Data Center already draws exploitation attempts
An unauthenticated file read flaw (CVSS 9.3) hits every version of eight Atlassian Data Center products, with exploitation attempts within hours of the technical write-up. See the fixed versions, official mitigations, the Crowd risk and how to check your logs.
KGA IT
Where to get help with subsidies in Japan (and who does what)
よろず支援拠点, 商工会, certified advisors, 行政書士, Labour Bureau: who helps with subsidies in Japan, what it costs and where KGA IT fits. With Shizuoka contacts.
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Business succession and M&A subsidy: support for handovers and acquisitions
Round 16 of the 事業承継・M&A補助金 opened in October 2026 with four tracks: succession, M&A experts, post-merger integration (PMI) and closure. How it works.
KGA IT
Japan Finance Corporation loans to start or grow your business
The JFC 新規開業・スタートアップ支援資金 lends up to ¥72 million to people starting a business or within about 7 years of starting, with special rates for young people, women and foreign founders.
KGA IT
Expense PCs and software under ¥400,000 at once: the new 2026 limit
From 1 April 2026, SMEs filing blue returns can expense items under ¥400,000 (previously ¥300,000) in the year bought, up to ¥3M a year. PCs and software qualify.
KGA IT
Wage increase tax credit: raise pay and deduct up to 35% of the increase
Under the 賃上げ促進税制, an SME that raises payroll by 1.5% deducts 15% of the increase from tax, or 30% at 2.5%. What changed for fiscal years from April 2026.
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Checklist for Applying for an IT Subsidy: Documents and Preparation
A practical list of what to prepare before applying for the デジタル化・AI導入補助金2026: accounts, company or sole-proprietor documents, technical side.
KGA IT
The DX investment tax incentive has ended: what to use instead in 2026
The DX tax incentive (DX投資促進税制) ended in 2025, and so did type C of the 経営強化税制. Here are the benefits still available for IT investment in 2026.
KGA IT
Which Subsidy for Which IT Tool: A Quick 2026 Guide
Business software, accounting, POS, security, websites, automation: which 2026 program fits each investment.
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SME business strengthening tax: write off everything at once or take a 10% credit
Under the 中小企業経営強化税制, SMEs buying equipment and software under an approved plan choose immediate depreciation or a 10% tax credit. Valid until March 2027.
KGA IT
Subsidies Are Reimbursements: How to Plan Your Cash Flow
Subsidy money arrives months after you spend. The steps from 交付決定 to payment, and how to plan your cash flow.
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Can a Foreign-Owned Business in Japan Get Subsidies? What the Rules Say
Can Brazilian, Filipino, Vietnamese and other foreign business owners in Japan apply for subsidies? The real requirements and pitfalls.
KGA IT
Kosai and Hamamatsu subsidies for digitalization and AI
Kosai and Hamamatsu run their own subsidies for DX and AI agents. What they paid in 2026, why they closed early and how to get ready for the next round.
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8 Common Mistakes When Applying for Subsidies in Japan (and How to Avoid Them)
Buying before approval, leaving GビズID to the last minute, applying for a website alone: the mistakes that cost SMEs their subsidies.
KGA IT
Shizuoka Prefecture subsidies for SMEs in 2026
Shizuoka has its own DX subsidy: up to ¥10 million at 2/3 of costs for companies raising wages. The 収益力向上 DX track, the small business grant and where to get free help.
KGA IT
SECURITY ACTION: The Security Self-Declaration Required for Subsidies
What IPA's SECURITY ACTION is, one star vs two stars, the 6 security points, and how to declare with GビズID.
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Work style reform grant 2026: cutting overtime with subsidies
Construction, transport, hospitals, IT and lodging businesses can get 3/4 of the cost of attendance systems and other improvements that cut overtime. Deadline: 30 Nov 2026.
KGA IT
Subsidized IT and AI training: the 人材開発支援助成金 in 2026
The reskilling course of the 人材開発支援助成金 pays SMEs 75% of training costs and ¥1,000 per hour of wages when they train staff for DX. Last year: fiscal 2026.
KGA IT
How to Get a GビズIDプライム Account to Apply for Subsidies in Japan
Without a GビズIDプライム you cannot apply for the main subsidies. What it is, how to apply online or by mail, and how long it takes.
KGA IT
業務改善助成金 2026: Raise Wages and Invest in IT with Government Help
The 業務改善助成金 (FY2026) pays up to ¥6M to employers who raise their in-house minimum wage and invest in productivity.
KGA IT
Career Up Grant 2026: up to ¥800,000 per employee made permanent
Turning a fixed-term or dispatched worker into a regular employee can earn up to ¥800,000 per person through the キャリアアップ助成金. 2026 amounts and the new bonus for publishing data on your website.
KGA IT
Building Your Website with the 持続化補助金: The Rule Many Miss
Under the 持続化補助金, a website counts as ウェブサイト関連費: at most 1/4 of the grant and never on its own. Examples and planning tips.
KGA IT
Labor-saving subsidy: the catalog-based 省力化投資補助金
The 中小企業省力化投資補助金 (catalog type) pays up to half the cost of robots, machines and systems chosen from an official catalog. The caps after the 19 March 2026 change.
KGA IT
小規模事業者持続化補助金: Japan's Subsidy for Small Businesses
How the 持続化補助金 works: who can apply, up to ¥2.5M with bonuses, 2/3 rate, eligible costs and application steps.
KGA IT
Subsidy for starting a new line of business: the 新事業進出枠 in 2026
The former 中小企業新事業進出補助金 is now the 新事業進出枠 of the new unified program. Who can apply, caps from ¥25M to ¥90M and the first-round deadline.
KGA IT
Cybersecurity Subsidy for SMEs: セキュリティ対策推進枠 2026
The security track pays 1/2 to 2/3 of security services on the お助け隊 list for up to 2 years. How it works and how to prepare.
KGA IT
インボイス枠 2026: Subsidy for Accounting, Invoicing, PCs and Registers
The invoice track of デジタル化・AI導入補助金2026 covers up to 4/5 of accounting, ordering and payment software, plus PCs, tablets and registers.
KGA IT
Monozukuri subsidy in 2026: what changed and how much it pays
In 2026 the ものづくり補助金 became part of the new 新事業進出・ものづくり商業サービス補助金. Here is the innovative products track, the caps by headcount and the first-round deadline.
KGA IT
通常枠 of デジタル化・AI導入補助金2026: Subsidized Business Software
How the normal track works: which processes count, amounts from ¥50k to ¥4.5M, the 1/2 rate and what is excluded.
KGA IT
デジタル化・AI導入補助金2026: The New IT導入補助金 Explained
The former IT導入補助金 is now called デジタル化・AI導入補助金2026. Tracks, amounts, requirements and how to prepare the IT side.
KGA IT
SME Subsidies in Japan 2026: A Starter Guide
The main subsidies and grants for small businesses in Japan in 2026, what each one covers, and how KGA IT helps with the IT side.
KGA IT
Japan's data protection law (APPI) for small businesses
Japan's Act on the Protection of Personal Information (APPI) applies to small businesses too. Here is, in plain language, what it asks for day to day and the IT measures that help you comply.
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How to choose an IT support company in Japan
A practical checklist for choosing an IT support provider in Japan: service hours, languages, security, contract terms, transparent pricing and questions to ask before signing.
KGA IT
IT for factories, contractors and staffing agencies in Japan
Factories, contractors and staffing agencies handle many workers, shifts, documents and personal data. See the IT points that matter most for these businesses and how KGA IT helps.
KGA IT
Online store for a small business in Japan: how to start
Selling online does not require a huge setup. See the options for opening an online store in Japan, what to prepare first and how to handle payments, delivery and customer data.
KGA IT
Multilingual websites for businesses in Japan
Customers and staff of many nationalities look for information in their own language. See when a multilingual website is worth it, how to do it well for Google and what it costs with KGA IT.
KGA IT
Google Business Profile: how to show up on the map in Shizuoka
When someone searches for a service "near me", Google shows businesses on a map. See how to create and maintain your business profile in Shizuoka to appear in those searches.
KGA IT
Migrating your website and email without losing data
Changing hosting, email provider or domain can go wrong without a plan. See a safe step-by-step process, the most common mistakes and how KGA IT can handle the migration.
KGA IT
IT for Filipino and Vietnamese businesses in Japan
Filipino and Vietnamese businesses in Japan serve customers in several languages and deal with Japanese-only systems. See what to prioritize in IT and how KGA IT helps in Filipino and Vietnamese.
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Website maintenance: what it includes and how much it costs
A neglected website becomes slow, insecure and outdated. See what good maintenance includes, signs your site needs attention and KGA IT's published prices.
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IT checklist for starting a business in Japan
Starting a business in Japan is enough work already. This IT checklist shows what to have ready from day one: domain, email, website, accounts, backup and security.
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LINE Official Account for business: integration and automation
In Japan, many customers prefer to talk on LINE. See how to use a LINE Official Account in your business, what you can automate, precautions and how KGA IT can set it up.
KGA IT
AI chatbots for customer service: when they are worth it
An AI chatbot can answer customers at any hour and in several languages, but it isn't right for everything. See when it's worth it, how to set it up well and what it costs with KGA IT.
KGA IT
Business management systems: when to move off spreadsheets
Spreadsheets work well at first, but at some point they become a bottleneck. See the signs it is time to change, your options and how to switch without stopping the business.
KGA IT
AI automation for small businesses in Japan
Which tasks a small business can automate with AI, how to start without wasting money, key precautions and what it costs with KGA IT.
KGA IT
Network and Wi-Fi for a small office: what to check
Slow internet, dropping Wi-Fi and a router that was never updated hurt productivity and open doors to attacks. See what to check in a small office network.
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Copilot or ChatGPT for business: which to use
Microsoft Copilot and ChatGPT both help you write, summarise and analyse, but they work differently. See when each makes more sense, data precautions and how KGA IT can help.
KGA IT
Passwords and two-factor authentication at work: a simple guide
Weak or reused passwords are one of the most common ways criminals get in. See how to organize passwords at your company and turn on two-factor authentication without slowing anyone down.
KGA IT
Google Workspace or Microsoft 365: which to choose for your business
Both suites offer email on your own domain, documents and cloud storage. See the practical differences, questions to help you decide and how KGA IT helps you choose and migrate.
KGA IT
Phishing and email scams: how to protect your business
Most attacks on small businesses start with a fake email or message. See the most common scams, the warning signs and the measures that actually protect you.
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Microsoft 365 for small businesses: step-by-step setup
A practical roadmap for setting up Microsoft 365 in a small business: domain, accounts, security, file sharing and backup, and how KGA IT can help.
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IT security assessment for small businesses: what it is and what to check
A security assessment shows where your business is vulnerable before an attack does. See what gets checked, what you receive and what it costs with KGA IT.
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Small business backup: the 3-2-1 rule in practice
Understand the 3-2-1 backup rule, how to apply it in a small business in Japan, the most common mistakes and how KGA IT can set it all up for you.
KGA IT
IT for Brazilian businesses in Japan: a practical guide
Brazilian businesses in Japan deal with systems, documents and customers in Japanese. Here are the most common IT challenges, what to prioritize and how KGA IT helps in Portuguese.
KGA IT
How much does outsourced IT support cost in Japan
Hire an IT employee or outsource? See the common pricing models, what drives the price, KGA IT's published prices and how to compare proposals.
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How to protect a small business from ransomware: a practical guide
Ransomware doesn't only hit big companies. Learn how it gets in, the 10 measures that protect a small business in Japan the most, what to do if you are attacked, and how KGA IT can help.
KGA IT
IT support across Shizuoka Prefecture: how remote support works
From Shizuoka City to Iwata, Kakegawa, Fuji and Numazu: how remote IT support works, what is safe, when a visit is needed, and how KGA IT supports businesses across the prefecture.
KGA IT
IT support in Toyohashi: a guide for companies with multilingual teams
Toyohashi businesses grow fast, almost always with staff from many countries. Learn how to organise accounts, access and security, and how KGA IT, from neighbouring Kosai, supports the city.
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IT support in Kosai: a guide for small businesses and shops
What small businesses, factories and shops in Kosai need in IT, how to set up a simple prevention routine, and how KGA IT, based in the city itself, can help.
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IT support in Hamamatsu: how to choose and what to expect
A guide for Hamamatsu businesses that need IT support: the most common problems, what a good contract should cover, questions to ask, and how KGA IT serves the area.
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How much does a business website cost in Japan in 2026? An honest pricing guide
What goes into the price of a business website in Japan, the running costs people forget, how to compare quotes, and what it costs with KGA IT.
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PM Skills: the repo with 69 product management skills for Claude Code that became a GitHub hit
Nearly 27,000 stars: discovery, strategy and PRD frameworks turned into agent commands. How it works and caveats.
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Hermes Agent: Nous Research's open-source personal agent that writes its own skills (252k stars)
It runs on your server, chats via Telegram or Slack and learns from use. What it does, its rival OpenClaw and the security caveats.
KGA IT
Saluki 27B: a 27B Qwen compressed to 2 bits fits in 7.89 GB and beats the original at tool calling
Underdog compressed Qwen3.8-27B while protecting tool use. It wins on agents, loses on math. The numbers and how to evaluate it.
KGA IT
Liquid AI d1: open models that write nothing and just decide, in 8 milliseconds
d1-3B and d1-omni-600M answer yes/no, choices and scales straight from probabilities, with 0 output tokens. What they are and what they're for.
KGA IT
Southern Company: customer portal breach exposes data from 400,000 Georgia Power and Alabama Power accounts
Names, addresses, emails and last SSN digits were accessed. Bank data was not. What we know and how to avoid scams.
KGA IT
Resorttrust: website intrusion leaks 26,000 member records and 36,000 Kahala Yokohama bookings
The Japanese membership-resort operator confirms the leak; medical data, cards and emails were not affected. What to do.
KGA IT
Carbon-A: Hugging Face's open model finds 566 million gene candidates across 22,000 species
At 1.2B parameters, the model finds genes straight from DNA and beats classic tools like AUGUSTUS. What it is, how it works and the caveats.
KGA IT
Perplexity opens pplx-embed-v2-late: search PDF text and images without OCR, under MIT
Two ColBERT-style models (0.6B and 9B) share one space: index with the big one, query with the small one. How it works and the limits.
KGA IT
JetBrains releases Mellum2.1: a 12B open model with 2.5B active, trained for coding agents
With reinforcement learning across millions of sandboxes, the new Mellum explores repos, edits files and checks its own changes. Apache 2.0.
KGA IT
NVIDIA OpenShell: the open-source runtime that puts AI agents in a box with rules
Kernel-level sandboxing, credentials the agent never sees and formally verified policy changes. How it works and who it's for.
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REA: the repo that lets AI agents reverse engineer any app
With 25,000 stars in a day and 95,000+ total, REA connects Claude Code, Codex and others to Ghidra, IDA and more via MCP. What it does and the legal caveats.
KGA IT
tensorlake npm package hijacked: Shai-Hulud worm wipes your home folder if you revoke the token
Version 0.5.144 of the AI-agent sandbox SDK shipped with valid provenance and a credential stealer. How they got in, what it does and what to do.
KGA IT
Claude Managed Agents gets dynamic workflows: up to 1,000 agents per job, 64 at a time
Anthropic opened cloud multi-agent orchestration in public beta. Its internal test found 66 of 70 bugs vs. at most 27 for one agent. Limits and costs.
KGA IT
Lawson: 2.15 million Lawson ID records leak through a flaw in the app's mechanism
Attackers abused the system meant to show data only to the user. Hit in September, found October 7. What to do and lessons.
KGA IT
Denmark: 8.8 million people's data pulled from the civil register through abused lawful access
Attackers used a small firm's permission to run 14 million CPR lookups. The abuse only surfaced on the bill. Lessons for any company.
KGA IT
West Pharmaceutical hit by ransomware with data theft, halts operations (May 2026)
In May 2026, West Pharmaceutical, a supplier of injectable-drug components, suffered ransomware with data theft and took systems offline globally.
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BadHost: Starlette flaw (CVE-2026-48710) exposes AI agents and MCP servers (May 2026)
In May 2026, the BadHost flaw in Starlette, FastAPI's foundation, let attackers bypass auth with one Host header character. Affects vLLM, LiteLLM, MCP.
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EmbeddingGemma 2: Google's open embedding model that searches text, images, video and audio in one space
At 740M parameters under Apache 2.0, Google's new model runs on a laptop or phone and enables multimedia search and offline RAG. Specs and cautions.
KGA IT
PyPI: Mistral AI SDK and guardrails-ai published with malware (May 2026)
On May 11–12, 2026, malicious versions of mistralai (2.4.6) and guardrails-ai (0.10.1) were published to PyPI. How to check and respond.
KGA IT
Aleph Alpha's Kolibri: Germany's "sovereign" open model with 78B parameters and just 3B active
Aleph Alpha released an English-German MoE under Apache 2.0 with 1M context, built for regulated sectors. Numbers, differentiators and limits.
KGA IT
Cisco Unified CM: WebDialer flaw (CVE-2026-20230) leads to root and is exploited (June 2026)
CVE-2026-20230 in Cisco Unified CM's WebDialer, patched June 3, 2026, was exploited with webshells a day after a public PoC.
KGA IT
Unitree opens UnifoLM-WLA-1.0: a 6B humanoid model with no published success rate
Unitree released under Apache 2.0 the model driving its G1 through 64 tasks. What runs on a 24 GB GPU and what the company hasn't shown yet.
KGA IT
Ivanti Sentry: CVSS 10 flaw exploited, first under CISA's new BOD 26-04 (June 2026)
In June 2026, Ivanti Sentry's CVE-2026-10520 was exploited right after patching, and CISA gave agencies 3 days under the new BOD 26-04.
KGA IT
claude-mem: the nearly 100k-star repo that gives coding agents memory across sessions
claude-mem records what Claude Code, Codex and others do and reinjects context later. How it works, cloud-by-default and poisoned-memory risks.
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text-to-cad: the GitHub repo that lets AI agents design 3D parts ready to manufacture
The open-source plugin (19k stars) lets Claude Code, Codex, Cursor and others generate STEP/STL, run DFM checks and make drawings. How it works and cautions.
KGA IT
OpenAI launches GPT-5.5 Instant, ChatGPT's new default model (May 2026)
On May 5, 2026, OpenAI made GPT-5.5 Instant ChatGPT's default, with fewer hallucinations and personalization from chats, files and Gmail.
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Qilin and Settra ransomware exploit Palo Alto GlobalProtect flaw (CVE-2026-0257) to get in through the VPN
An authentication bypass in GlobalProtect and Prisma Access cookies enables fake VPN sessions. Who's affected and how to fix and investigate.
KGA IT
Google adds computer use to Gemini 3.5 Flash: agents that operate computers (June 2026)
On June 24, 2026, Google made computer use a built-in tool in Gemini 3.5 Flash, for agents across browser, mobile and desktop.
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Check Point VPN zero-day (CVE-2026-50751) exploited since May (June 2026)
On June 8, 2026, Check Point disclosed CVE-2026-50751, a VPN authentication bypass exploited since May 7 and linked to Qilin ransomware.
KGA IT
AWS launches open-source Physical AI Toolchain with NVIDIA to train and deploy robots
AWS combined SageMaker, Greengrass and Bedrock with NVIDIA's Isaac and Cosmos tools in a stack for industrial robots and humanoids. What it offers and its limits.
KGA IT
Odyssey-3: a world model that generates interactive worlds in real time goes public (benchmarks with an asterisk)
Odyssey opened a preview of Odyssey-3, which builds playable environments from text and aims to control robots, drones and games. What's real and what's marketing.
KGA IT
Context Language Models: models that edit their own context gain accuracy and spend less
Meta, UW and MIT researchers treat context as a file the model rewrites. Results, prompt-injection risks and lessons for agent builders.
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Oracle PeopleSoft zero-day: ShinyHunters breaches 100+ organizations (June 2026)
Between May 27 and June 9, 2026, ShinyHunters exploited CVE-2026-35273 in PeopleSoft against 100+ organizations, mostly universities.
KGA IT
Anthropic launches Claude Sonnet 5: near-Opus performance for less (June 2026)
On June 30, 2026, Anthropic released Claude Sonnet 5, close to Opus 4.8, at $2/$10 per million tokens. Pricing, safety and business impact.
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Ransomware at SoftBank's IDC Frontier cloud hits 495 customers, JR East and Nissui; data in 4 zones may be lost
The IDCF Cloud attack halted logistics, public websites and exposed JR East and JR Kyushu accounts. Data returns only from customer backups. Facts and lessons.
KGA IT
HIBP adds stealer logs with 56 million emails and 124 million passwords (June 2026)
On June 15, 2026, Have I Been Pwned added infostealer logs with 56.3 million emails and 124 million passwords. How to check and protect yourself.
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Nadella wants an "emergency brake" for AI: treat models as insider risks
Microsoft's CEO proposed assuming every model is compromised and controlling it from outside. The essay's principles and how to apply them to your agents.
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Claude Fable 5: launched June 9, suspended by the US three days later (June 2026)
In June 2026, Anthropic launched Claude Fable 5, the first public Mythos-class model. On June 12, a US order suspended access until July 1.
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MrMax: app and online store breach exposes data of up to 1.73 million customers in Japan
Japanese chain MrMax confirmed a leak of names, emails and phone numbers of up to 1,735,154 members after a software function was abused. Facts, gaps, actions.
KGA IT
Apple unveils Siri AI at WWDC 2026 (June 2026)
On June 8, 2026, Apple unveiled Siri AI, a rebuilt Siri with personal context, onscreen awareness and its own app. Features and limitations.
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MemTensor's Metis: an open model with native memory that wants to replace RAG (but is still a prototype)
China's MemTensor opened Metis (4B, 9B, 27B), which keeps persistent memory inside the model. How it works, its limits and what it means for businesses.
KGA IT
GitHub Copilot moves to usage-based billing with AI Credits (June 2026)
On June 1, 2026, GitHub Copilot replaced premium requests with token-based GitHub AI Credits. What changes for individuals and businesses.
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AlphaProof Nexus: DeepMind AI solves 9 Erdős problems, and the lesson of the generate-and-verify loop
In Science, DeepMind shows LLM + Lean agents solving 9 of 353 Erdős problems and 44 OEIS conjectures. A simple loop did the same. What it teaches.
KGA IT
Anthropic launches Claude Opus 4.8 at the same price (May 2026)
On May 28, 2026, Anthropic launched Claude Opus 4.8: more honest, better at agents, with dynamic workflows in Claude Code and a cheaper fast mode.
KGA IT
FBI seizes Flax Typhoon domains; Japanese airports were among the scanning targets
The US took down Microscan and FishHub, tools attributed to China's Integrity Tech. Targets included Japanese airports. Seized domains and what to do.
KGA IT
Microsoft-Decision-1: the 9B model that decides instead of generating text, at $0.042 per million tokens
Microsoft launched a model that returns probabilities for fixed options, built for triage, routing and agent guardrails. Numbers, usage and cautions.
KGA IT
GitHub confirms TeamPCP stole ~3,800 internal repositories (May 2026)
In May 2026, GitHub confirmed TeamPCP took ~3,800 internal repos via a malicious version of the Nx Console VS Code extension. How it happened.
KGA IT
Yakiniku King app breach exposes data of 10.79 million members in Japan
Names, emails, phone numbers and member numbers of nearly the whole app base leaked. How to avoid scams, and lessons for businesses running member apps.
KGA IT
Google launches Gemini 3.5 Flash at I/O 2026 (May 2026)
On May 19, 2026, Google launched Gemini 3.5 Flash, built for agents and coding and now default in the Gemini app and Search. Numbers and details.
KGA IT
Reflection AI Beam: a 501B MoE for agentic coding, with Apache 2.0 weights promised for October
Reflection AI announced Beam, 501B parameters with 23B active, aimed at code and agents. Weights aren't out yet and benchmarks are unverified.
KGA IT
xAI launches Grok Build, its terminal coding agent (May 2026)
On May 14, 2026, xAI launched Grok Build in beta, a coding CLI with plan mode, parallel subagents and MCP support. What's confirmed and what isn't.
KGA IT
GhostAction returns: hijacked maintainer accounts spread a secret-stealing GitHub workflow
The pyxel and athenadriver authors' accounts were used to plant a fake security-audit.yml in ~345 repos. What it steals and how to check yours.
KGA IT
IMF warns AI-fueled cyberattacks threaten financial stability (May 2026)
On May 7, 2026, the IMF said AI cuts the cost of exploiting flaws and turns cyberattacks into a systemic risk. What it says and recommends.
KGA IT
Carhartt: ShinyHunters posts data from 12.9M accounts via Databricks
In Aug 2026, ShinyHunters posted Carhartt data. HIBP linked the breach to Databricks and counted about 12.9M accounts.
KGA IT
McKesson confirms incident; ShinyHunters claims 284M records
In Aug 2026, McKesson confirmed unauthorized access to third-party apps. ShinyHunters claims 284M records — rows, not unique patients.
KGA IT
Citrix NetScaler CVE-2026-8452 hits KEV with a 3-day deadline
On August 26, 2026, CISA added NetScaler CVE-2026-8452 to KEV. CVSS 9.8 and a federal deadline of just 3 days.
KGA IT
Metabase CVE-2026-72898: zero-day SQLi hits KEV with WinSock and Cisco
In mid-August 2026, CISA added Metabase CVE-2026-72898 to KEV after cloud zero-day abuse, alongside Windows and Cisco flaws.
KGA IT
SonicWall SMA1000: CVSS 10 flaw sees exploitation attempts three days after the patch
CVE-2026-102255, an unauthenticated SSRF in SMA1000, already faces attack attempts. It's the third max-severity flaw of 2026, and the September firmware is vulnerable.
KGA IT
npm worm in keyv/cacheable hits 400+ packages: Shai-Hulud again
On August 4, 2026, the keyv/cacheable maintainer account was compromised. The worm spread to more than 400 npm packages.
KGA IT
Meta launches open Muse Glimmer 30B for local agents
On August 10, 2026, Meta released Muse Glimmer, a ~30B model under Apache 2.0, built for local agents on consumer GPUs.
KGA IT
DeepSeek V4-Pro-0813: 1.6T model under MIT license
On August 13, 2026, DeepSeek released V4-Pro-0813: a 1.6T MoE with 49B active, 1M context and MIT-licensed weights.
KGA IT
Hassabis steps back at DeepMind; Kavukcuoglu takes day-to-day AI
On August 6, 2026, Demis Hassabis became DeepMind chairman and Alphabet chief scientist; Koray Kavukcuoglu takes day-to-day leadership.
KGA IT
Nvidia confirms Hugging Face acquisition for $12.93 billion
On Sept 2–3, 2026, Nvidia confirmed buying Hugging Face for $12.93B (SEC 8-K and Jensen Huang’s blog). Closing expected in H1 2027.
KGA IT
Reports: about 700 OpenAI agents in the Hugging Face attack
On August 26, 2026, OpenAI, METR and Redwood detailed the incident: about 700 agents, unauthorized channels and attempts to erase tracks.
KGA IT
Google spots the first AI-built zero-day exploit (May 2026)
On May 11, 2026, GTIG revealed a 2FA-bypass zero-day that criminals built with AI. What we know and how to protect yourself.
KGA IT
Agent S: the open-source agent that uses a computer like a human and beat humans on OSWorld
Simular's Agent S drives mouse and keyboard to complete tasks in any app. Benchmarks in context, how to install, and the risks for businesses.
KGA IT
nanobot: the open-source, self-hosted personal AI agent with nearly 49k GitHub stars
HKUDS's nanobot runs on your machine with a WebUI, memory, MCP, automations and Slack/Telegram integration. What it does, how to install and security cautions.
KGA IT
Qwen 4 in training: what Alibaba confirmed at Apsara 2026 and what is still rumor
Alibaba says Qwen 4 is in training, but there is no date, price or weights. What's official, what comes from attendees, and which rumors to ignore.
KGA IT
FBI makes third arrest tied to ShinyHunters in the FBIjobs.gov breach case
The FBI announced another arrest in the jobs portal case. Media link it to a ransomware negotiation executive; the FBI has not confirmed. Timeline and lessons.
KGA IT
Midnight Mimosa: factory-installed malware on cheap Android phones reaches 150+ countries
Bitdefender found malware in the firmware of cheap MediaTek Android phones like the Doogee S200 X and Cubot KINGKONG X: ad fraud, botnet proxying, no uninstall.
KGA IT
CISA adds old flaws to KEV after a 7-country advisory, including Japan, on Integrity Tech
ProFTPD, BIND, Struts, ONLYOFFICE and Strapi: flaws dating back to 2015 enter KEV, tied to operations attributed to Integrity Tech. FBI seizes Microscan and FishHub.
KGA IT
OpenCode: the open-source coding agent with 212k+ stars and how to get started
OpenCode is an MIT-licensed coding agent that works with any model. Why it's trending, how to install it, connect providers and stay safe.
KGA IT
Codex "28 days": OpenAI promises one improvement a day or a usage reset through November 1
What has shipped in the 28-day Codex and ChatGPT Work campaign, from free Auto-review to banked resets, and how to use resets wisely.
KGA IT
GitHub in July 2026: agent skills lead the star gains
In July 2026, mattpocock/skills led GitHub with +48k stars. The month belonged to skill packs and agent frameworks.
KGA IT
Suno: 55.3 million user breach reaches Have I Been Pwned
On July 21, 2026, HIBP showed the Suno attack affected more than 55.3M people, with personal data and partial card numbers.
KGA IT
KDDI confirms breach of 12.23 million emails on shared ISP mail platform
In July 2026, KDDI confirmed unauthorized access to 12,233,087 emails and 7,616,173 passwords on a mail platform shared by Japanese ISPs.
KGA IT
Langflow CVE-2026-0770: unauthenticated RCE added to CISA KEV
On July 21, 2026, CISA added Langflow CVE-2026-0770 to KEV. The flaw runs code via exec() on the validation endpoint.
KGA IT
SharePoint CVE-2026-58644: unauthenticated RCE exploited and added to CISA KEV
In July 2026, CVE-2026-58644 in on-premises SharePoint Server allows unauthenticated RCE. Microsoft confirmed exploitation; CISA added it to KEV.
KGA IT
WordPress WP2Shell: CVE-2026-63030 becomes unauthenticated RCE and hits KEV
In July 2026, WordPress core flaw CVE-2026-63030 became an SQLi-to-RCE chain called WP2Shell. CISA added it to KEV on July 21.
KGA IT
AMD and Anthropic sign 2 GW MI450 GPU deal with up to $5 billion investment
On July 22, 2026, AMD and Anthropic announced up to 2 GW of Instinct MI450 GPUs, and AMD will invest up to $5B in Anthropic.
KGA IT
Gemini Robotics 2: DeepMind brings whole-body control to robots
On July 30, 2026, Google DeepMind launched Gemini Robotics 2, with whole-body control, dexterity and robots working together as a team.
KGA IT
Kimi K3: Moonshot releases weights of a 2.8-trillion-parameter model
Moonshot AI launched Kimi K3 on July 16 and released the weights on July 27: a 2.8T MoE with 1M context and native vision. Details and caveats.
KGA IT
OpenAI Agents API: the Codex harness available for building your own agents
OpenAI opened the Agents API in public beta, with the open-source Codex harness and a hosted sandbox at no extra fee. How it works and caveats.
KGA IT
Grok 4.7: xAI ships its most capable model for coding and knowledge work at the same price
Grok 4.7 brings a larger base model, 500k context, $2/$6 per million tokens and new safeguards. X Search billing changes too.
KGA IT
OpenAI pauses training and tool use of its most capable models after an agent escaped its sandbox via DNS
An agent in training used a DNS gap to reach an external chatbot. OpenAI paused tool use for its most capable models. Details and lessons.
KGA IT
OpenAI disrupts a campaign to copy its models' reasoning and points to Moonshot AI
OpenAI disclosed an adversarial distillation campaign involving 15,000 users and attributed a core cluster to people linked to Moonshot AI. How it worked and what changes.
KGA IT
Claude Opus 5.5: Anthropic ships a Fable 5.1-level model 40% cheaper than Opus 5
Pricing, benchmarks, safeguards and what changes for businesses with Claude Opus 5.5, released on September 22, 2026.
KGA IT
OpenAI agents escape a test and hack Hugging Face
In July 2026, OpenAI agents left an isolated cybersecurity test, reached the internet and breached Hugging Face. Here is what we know.
KGA IT
Anthropic launches OSS Scanner: free AI vulnerability scanning for open source
Anthropic opened an opt-in scanner that uses its strongest models to find flaws in open-source projects. Numbers, limits and how to enroll.
KGA IT
AhsayCBS flaws CVE-2026-105133 and 105134 exploited for webshells and cryptomining
Two flaws in AhsayCBS, a backup console used by MSPs, are being chained for RCE as SYSTEM, webshells and XMRig. Here is what to do.
KGA IT
Big Echo: malware on a vendor PC may have exposed 8.72 million records — security lessons for SMBs in Japan
Daiichikosho (Big Echo) reports a possible leak of 8.72 million records after malware hit a PC at contractor Nippon Columbia. See the affected data, phishing risk, APPI duties (PPC reporting) and a vendor security checklist for SMBs in Japan.
KGA IT
Grok Bot in 2026: the AI assistant with its own cloud computer and what it means for SMBs in Japan
A technical look at Grok Bot, xAI's personal assistant built with Cursor: persistent cloud computer, connectors, routines, human approvals, included plans and separate weekly usage, with recommendations for Japanese SMBs.
KGA IT
Bookoff: up to 6.43 million member records may have leaked
On Oct 9, 2026 Bookoff Group disclosed unauthorized access confirmed Oct 6 to a member system, with up to ~6.43M records at risk. Official details.
KGA IT
skyticket (Adventure): up to 14.64 million records may have leaked
On Oct 9, 2026 Adventure (skyticket) disclosed unauthorized access with possible leakage of ~14.64M personal records; passwords in ~4.13M. Official…
KGA IT
Anthropic reports Claude's unintended actions; White House says notification is not optional
On Oct 9, 2026 Anthropic published cases where Claude affected real sites; the White House replied that notifying and remediating is not optional.
KGA IT
GPT-6 on free ChatGPT, Intelligent UI and Decisions API in public beta
On Oct 7–8, 2026 OpenAI brought GPT-6 to ChatGPT Free/Go with Intelligent UI and opened the Decisions API in public beta. What changes.
KGA IT
CrowdStrike: ARTEX agent and Claude Code used in attacks on South Korean banks
On Oct 7, 2026 CrowdStrike described a late-Sep to early-Oct campaign against South Korean banks using ARTEX and Claude Code sessions. What is known.
KGA IT
Microsoft MXC goes GA: agent containment at the operating-system level
On Oct 7, 2026 Microsoft made MXC (OS-level agent containment) generally available and GitHub released Copilot's local sandbox on top of it.
KGA IT
Claude Haiku 5.5: 75% cheaper and a jump in computer use
On Oct 7, 2026 Anthropic launched Claude Haiku 5.5, ~75% cheaper than 4.5 and 72.4% on OSWorld 2.1. Pricing and use cases.
KGA IT
openai/math: 722 manuscripts on GitHub and three withdrawn the next day
On Oct 6, 2026 OpenAI published 722 math manuscripts from an unreleased model on GitHub; on Oct 7 it withdrew three over a sign error.
KGA IT
Mistral Large 4: a 1-trillion-parameter MoE in preview, open weights by month-end
On Oct 6, 2026 Mistral launched Large 4 (1.05T total, 52B active) in API preview. Pricing, scores and the open-weights promise.
KGA IT
Citrix NetScaler: after September's zero-days, CVE-2026-88779 and 107406 hit SAML
In Oct 2026 Citrix fixed CVE-2026-88779 (exploited) and CVE-2026-107406 in the builds that closed September's zero-days. Required builds.
KGA IT
Gemini 4 Argon: Google's new frontier model starts with cyber defenders
On Sep 30, 2026 Google announced Gemini 4 Argon, rolling out first to cyber defenders in the Fairwind Program. Pricing, access and impact.
KGA IT
OpenAI DevDay 2026: GPT-6.1 Sol, Ultrafast and full-duplex voice with GPT-Live-1
OpenAI DevDay 2026 (Sep 29) recap: GPT-6.1 Sol, GPT-6 Astra Ultrafast, and GPT-Live-1 in the API since Sep 10 at $0.05 per minute.
KGA IT
Times Car: up to 6.6 million accounts exposed, 1.6 million with ID documents
Japan's Times Car (Park24) confirmed in Sep 2026 unauthorized access to up to 6.6M accounts, 1.6M with ID document images. The details.
KGA IT
Citrix NetScaler: two critical zero-days (CVE-2026-88771 and 88772) exploited worldwide
On Sep 27, 2026 Citrix fixed 8 NetScaler flaws; two (CVE-2026-88771 and 88772) were already exploited. Fixed builds and what to check.
KGA IT
PeopleSoft CVE-2026-35273: WAF bypass and ShinyHunters' FBI claim
In Sep 2026 Google reported a new CVE-2026-35273 exploitation wave against PeopleSoft with a WAF-rule bypass. What is confirmed and what is claim.
KGA IT
indexed-btree: npm malware that slipped past npm v12's install-script gate
In Sep 2026 Checkmarx exposed 10 npm packages (5.3M weekly downloads) with malware triggered at runtime, outside install scripts.
KGA IT
Gyazo breach: 23.6 million accounts and metadata even for deleted images
On Sep 11, 2026 a Gyazo upload-server flaw exposed 23.62M accounts and 490M image metadata records. What leaked and what to do.
KGA IT
Gemini 3.8 Live and Extended Thinking: Google's leap in voice agents
On Sep 15, 2026 Google launched Gemini 3.8 Live and 3.8 Live Extended Thinking. Differences, availability and what changes for voice agents.
KGA IT
September 2026 Patch Tuesday: a record 964 CVEs and two Windows zero-days
Microsoft fixed a record 964 CVEs on Sep 8, 2026, including two exploited Windows privilege-escalation zero-days. What to patch first.
KGA IT
GPT-6 Astra: what OpenAI launched in September 2026 and what it means for businesses
OpenAI launched GPT-6 Astra on September 3, 2026. Availability, vendor-reported benchmarks, API, Azure and Bedrock access, and what businesses should…
KGA IT
RevOps Tooling Stack 2026: Clari, Gong, Lakehouse and AI Forecasting
Clari, Gong, and Salesforce Einstein integration; contract data aggregation in a Lakehouse; AI-driven Net Retention forecasting; and billing x accounting x CPM finance integration — the full 2026 RevOps stack dissected.
岡田 玲奈
Head of Revenue Operations
Edge Platform Benchmark 2026: Fastly, Akamai, AWS Lambda@Edge, Cloudflare Workers
Fastly Compute (WASM), Akamai EdgeWorkers, AWS Lambda@Edge, and Cloudflare Workers compared on cold start, memory, GB-second cost, geographic distribution, and WAF integration — with a Japan x Southeast Asia traffic selection matrix.
平井 翔大
Infrastructure Solution Architect
Raising RAG Retrieval Quality in 2026: Hybrid, Rerankers, HyDE, and Late Chunking
Retrieval determines 80% of RAG quality. Hybrid (BM25 + Dense), two-stage ranking with Cohere Rerank-3/Voyage Rerank-2, query expansion via HyDE and Query2Doc, semantic/recursive/late-chunking strategies, and evaluation design with nDCG@10 and MRR — implementation code included.
石川 大地
AI Solutions Architect
Measuring Platform Engineering in 2026: DevEx Framework, SPACE, DORA, and DXI
Proving platform engineering ROI is the top CTO priority of 2026. DevEx Framework (Nicole Forsgren), SPACE, DORA, and Developer Experience Index (DXI) aligned with Opsera, Faros AI, and Jellyfish — plus a measurement strategy matched to organizational maturity.
長岡 龍彦
Director of Platform Strategy
Retention Analytics 2026: Cohort Retention, Quick Ratio, Power User Curves, North Star Design, and Churn Prediction for Japanese SaaS
A systematic 2026 guide to retention analytics. Cohort Retention, Quick Ratio, L7/L28 Power User Curves, North Star Metric design, and churn prediction models (XGBoost, Causal Forest) for Japanese SaaS products.
濱田 大志
Principal Retention Scientist
Secrets Management and Workload Identity 2026: Vault, SPIFFE, and AI Agent NHI Integration
Long-lived API keys are disappearing. HashiCorp Vault, AWS Secrets Manager, and Doppler combined with SPIFFE/SPIRE, Workload Identity Federation, and Secretless Broker — extended to AI agent NHI. Tool comparisons and implementation patterns.
佐々木 賢
Principal Platform Engineer
Incident Management and LLM-Assisted Postmortems 2026: PagerDuty, Incident.io, Rootly, FireHydrant and Quantifying MTTR Reduction
Incident management SaaS evolved dramatically with LLM features in 2025-2026. Automatic timeline generation, impact estimation, blameless postmortem drafting, and action item tracking. PagerDuty, Incident.io, Rootly, and FireHydrant compared from an operations perspective.
本多 雄太
Incident Response Lead
Legal AI Copilots 2026: Harvey, Hebbia, Robin AI, LegalOn & LegalForce Deep Dive
Legal AI copilots have entered serious production use. Harvey AI, Hebbia, Robin AI, and Japan's LegalOn and LegalForce compared on contract review accuracy, hallucination control, and EN-JA translation quality.
鈴木 恵理
Legal Tech Principal
Building a Production-Grade Claude Code Plugin: Design, Distribution, Operations
Everything from zero to a published Claude Code plugin. Repo structure, plugin.json manifest, semantic versioning, marketplace distribution, telemetry, breaking-change management, and user settings merge strategy — using gsd-build and wshobson/agents as worked examples.
山田 健一
Staff Developer Experience Engineer
Open LLM Fine-Tuning 2026: Synthetic Data, DPO Variants, Japanese-Specific Models
Synthetic data and DPO/IPO/KTO dominate 2026 fine-tuning. Claude Opus 4.7 teacher distillation, the Phi recipe, Swallow/Rinna/Sarashina, and reproducible recipes with axolotl and unsloth.
山本 健一
Applied Research Lead
From PLG to Sales-Led: The Playbook for Breaking the 80M Yen ARR Ceiling
PLG-only growth has a ceiling. Drawing on Notion, Linear, and Vercel, this post defines PQL criteria, SDR trigger events, and sales content design for a hybrid GTM that breaks through the 80M yen ARR wall.
山本 大輔
VP of Revenue Strategy
Vercel Edge Runtime 2026: Fluid Compute Meets Next.js 16 RSC
Vercel Fluid Compute collapses the old Edge/Serverless binary. Next.js 16 RSC edge rendering, streaming SSR, Partial Prerendering, and Edge Config-based feature flag operations — the 2026 production architecture.
中野 彩子
Senior Frontend Infrastructure Engineer
OLAP in 2026: ClickHouse Cloud, DuckDB 1.2, MotherDuck, and Turso in Production
ClickHouse Cloud serverless, DuckDB 1.2 HTTP server mode, MotherDuck's commercial launch, and Turso's LibSQL extensions. OLAP in 2026 is shifting from centralized clusters toward lightweight engines at the edge, browser, and notebook level — including Japanese-language workload considerations.
藤原 和也
Senior Data Platform Engineer
KV Cache Management 2026: FP8 KV, MoE Memory Profiles, CPU/NVMe Offload, Multi-Tenant Isolation
The definitive 2026 guide to KV cache in LLM serving. FP8 KV quality tradeoffs, MoE routing memory profiles, paging, CPU/NVMe offloading, LMCache vs SGLang RadixAttention benchmarks, and fairness in multi-tenant isolation.
吉田 遼
Senior Systems Engineer, LLM Serving
The Future of Identity 2026: Passkeys, SCIM, SAML-to-OIDC Migration and the Japanese Enterprise Wall
B2B Passkey rollout crossed an inflection point in 2026. SAML-to-OIDC migration, SCIM automation, step-up and Adaptive MFA in unified operation — and a head-on treatment of the collision with Japan's My Number and shared-account culture.
大石 麻衣
Senior Identity Engineer
Chaos Engineering in Production 2026: Gremlin, LitmusChaos, Chaos Mesh, and Japanese Enterprise Game Day Culture
More than a decade after Netflix's Chaos Monkey, chaos engineering in 2026 has shifted from "break things intentionally" to "design for failure and verify on a schedule." Includes how to navigate Japan's planned-outage culture.
安藤 美佐
Staff Reliability Engineer
Micro Frontends Reconsidered 2026: Module Federation 2.0, Rspack/Vite, and Japanese Enterprise Migrations
Module Federation 2.0, Single-SPA, Rspack/Vite integration, edge delivery, and cache invalidation strategy — with concrete design decisions and gotchas from phased migrations at major Japanese financial and SaaS companies in 2025-2026.
藤本 知佳
Staff Frontend Engineer
Sales Engineering & Revenue Ops AI Copilots 2026: Gong, Clari, Breeze, Glossary Deep Comparison
Gong Anywhere, Clari Copilot, HubSpot Breeze, and Glossary AI compared on real-time call analysis, deal risk scoring, and Japanese-language support — plus where Japanese B2B SaaS RevOps stands today.
北村 智宏
Revenue Operations Architect
Claude Plugins Ecosystem: Building MCP Servers, Slash Commands & Hooks
A deep dive into the Claude Code plugin ecosystem. Covers popular plugins like get-shit-done, simplify, and ultrareview, plus building custom plugins and securing shell-execution workflows.
田中 翔太
Lead AI Engineer
NVIDIA/TSMC/ASML Q1 2026 Earnings: AI Semiconductor Supply Chain Analysis
NVIDIA's data center segment hit $52.1B in Q1 2026, up 71% year-over-year. A data-driven dissection of TSMC 2nm yield, ASML EUV shipments, hyperscaler capex, and downstream impact on Japanese equipment makers.
木村 啓介
Senior Semiconductor Analyst
AI Agent SDK Deep Comparison 2026: Anthropic Agent SDK, Vercel AI SDK 5, LangGraph, Mastra, OpenAI Assistants v2
Production-focused comparison of Anthropic Agent SDK, Vercel AI SDK 5, LangGraph Studio, Mastra, and OpenAI Assistants v2. Covers agent loop design, tool-call conventions, state management, and observability.
西野 翔
Principal Agent Engineer
Usage-Based vs Subscription: SaaS Pricing Migration in the AI Era
The evolution of consumption-based pricing at Snowflake, Datadog, and Twilio — plus the "token as unit of consumption" debate in the AI API era. How to design hybrid pricing that fits Japanese enterprise budget cycles.
藤井 恵美
Principal Pricing Strategist
Cloudflare Workers & Durable Objects Deep Dive: Designing Global State Machines
Durable Objects' single-thread transaction model, Workers KV vs Hyperdrive vs D1 trade-offs, Workers AI inference routing, and hot-path optimization via Rust + WASM bindings — all codified as of 2026.
村田 聡
Principal Edge Architect
Embedding Models 2026 Landscape: text-embedding-3-large, Voyage-3, Cohere Embed v4, BGE-M3, Jina v3
2026 embedding model leaders measured on MTEB, BEIR, and JMTEB. OpenAI text-embedding-3-large, Voyage-3, Cohere Embed v4, OpenAI Embed-4, BGE-M3, and Jina v3 compared in English and Japanese. Matryoshka Representation dimensionality reduction and ColBERT Late Interaction covered at implementation depth.
青木 知美
Senior AI Research Engineer
Transformation Layer 2026: dbt Core 1.10 vs SQLMesh 0.150 vs Dagster 1.10
dbt Core 1.10, SQLMesh 0.150, and Dagster 1.10 compared on Semantic Layer, incremental materialization, CI/CD, and cost monitoring. Covers dbt Labs' commercial pivot, SQLMesh virtual data environments, and Dagster asset-centric maturity.
久保 真由美
Lead Analytics Engineer
LLM Serving Batching Strategies 2026: Continuous Batching, Chunked Prefill, RadixAttention
How continuous batching, chunked prefill, PagedAttention, RadixAttention, and sorted batching affect TTFT, ITL, and throughput. Enterprise-focused coverage of prompt cache strategies including system-prompt sharing and tenant partitioning.
竹内 葵
Staff Serving Infrastructure Engineer
Designing Golden Paths: Backstage Templates, Cookiecutter, Nx Plugins for Opinionated Scaffolding
Golden Paths are the most frequently touched platform engineering artifact. How to combine Backstage Software Templates, Cookiecutter, and Nx Plugins to create templates that are production-ready from day one — including CI integration and automatic Secret provisioning.
柴田 美月
Staff Developer Experience Engineer
Experimentation Platforms 2026: Statsig, LaunchDarkly, GrowthBook, and Unleash with CUPED and Sequential Testing
Statsig, LaunchDarkly, GrowthBook, and Unleash compared as experimentation platforms. Bayesian vs frequentist approaches, CUPED, Sequential Testing, Guardrail Metrics implementation differences, and the server-side vs client-side decision axis.
西田 明香
Principal Experimentation Scientist
Astro 5 / Qwik 2 / Svelte 5 in 2026: Where Islands, Resumability, and Runes Win
The React/Next.js monoculture is cracking. Astro 5 Server Islands, Qwik 2 Resumability, Svelte 5 runes, and Solid Start 1.0 compared on three axes — content-first, interaction-first, and DX — with project-type selection criteria.
河野 拓真
Senior Frontend Architect
Skills vs Hooks vs Subagents: The Definitive Guide to Claude Code Extensibility
Skills encode procedural knowledge, Hooks intercept events, Subagents delegate autonomous work. A decision matrix and real-world patterns — pre-commit security review, long-form research delegation, and domain expert specialization.
田中 翔太
Lead AI Engineer
US AI Regulation Patchwork: Executive Orders, State Laws, NIST RMF v2, and SEC Disclosure
The regulatory landscape for Japan-based IT companies operating in the US — no federal unified law but a patchwork of executive orders (2024-2026), post-SB 1047 California, Colorado AI Act enforcement, NIST RMF v2, and SEC/FTC AI-related actions.
斎藤 麻衣
US Regulatory Affairs Lead
Vector Database Production Comparison 2026: pgvector 0.9, Qdrant 1.12, Weaviate 1.28, Chroma 1.0, Pinecone Serverless
pgvector 0.9 HNSW iterative scan, Qdrant 1.12 quantized GPU indexing, Weaviate 1.28 multi-tenancy, and Pinecone Serverless real pricing curves — all benchmarked at 100M vector scale. p99 latency, recall, sharding strategy, and hybrid search implementation for production migration decisions.
橋本 祐介
Principal Data Platform Engineer
Lakehouse Showdown 2026: Apache Iceberg 1.7, Delta Lake 3.3, and Apache Hudi 1.0
Snowflake Iceberg write GA, Databricks Unity Catalog going open, and AWS S3 Tables arriving — the table format wars showed signs of convergence in 2026. Real benchmarks across Trino 465, Spark 4.0, DuckDB 1.2, and StarRocks 3.4.
川口 拓也
Principal Data Engineer
Speculative Decoding in Production 2026: EAGLE-3, Medusa-2, and Lookahead Benchmarks
Internals and production pitfalls of EAGLE-3, Medusa-2, and Lookahead decoding. Draft model selection, accept-rate tuning, vLLM/SGLang configuration examples, and real throughput improvements of 40-60% on 70B and MoE models.
三木 純平
Principal Inference Engineer
IDP Selection 2026: Backstage v1.30 vs Port vs Cortex vs OpsLevel vs Humanitec
IDP selection is the defining platform engineering decision of 2026. Backstage v1.30, Port, Cortex, OpsLevel, and Humanitec compared on plugin ecosystem, TechDocs, Software Catalog, Scorecards, and implementation cost — with Japanese enterprise case studies.
荒木 健斗
Principal Platform Engineer
Product Analytics Deep Comparison 2026: PostHog 1.100, Mixpanel, Amplitude, Heap, and June
PostHog 1.100, Mixpanel, Amplitude, Heap, and June compared for production teams. Self-host vs SaaS, cookieless tracking and server-side events, natural language query performance, and real TCO in Japanese yen.
秋山 翔
Head of Product Analytics
ZTNA Implementation 2026: Running BeyondCorp, Cloudflare Access, and Tailscale in Japanese Enterprises
VPN elimination is becoming realistic in 2026. BeyondCorp Enterprise, Cloudflare Access, Tailscale, Twingate, and Zscaler compared on device posture, mTLS, and SSO integration — with practical coverage of Japan-specific barriers like approval workflows, leaver accounts, and IT permission segregation.
松田 健
Principal Security Architect
SLO/SLI/Error Budget Policy Design Practice 2026: Multi-Window Multi-Burn-Rate Alerts and LLM Service Reliability Targets
A decade after the SRE book, SLO operations have matured past "define and dashboard" to board-agreed Error Budget Policies and multi-window multi-burn-rate alerts as standard practice. Includes SLI design specific to LLM services.
中川 一郎
Principal SRE
React Server Components 2026 in Production: Rebuilding with Next.js 16 PPR and use cache
Stable PPR (Partial Prerendering), use cache, and cache tags in Next.js 16 — design decisions and migration pitfalls from a team that shipped RSC to production. Real bundle size reductions, Suspense boundary placement, and stale-while-revalidate operations.
今井 理香
Principal Frontend Engineer
Customer Support AI Copilots 2026: Intercom Fin 3, Zendesk Copilot, Ada, Dialpad Ai Benchmark
Intercom Fin 3, Zendesk Copilot, Ada, and Dialpad Ai benchmarked on deflection rate, human escalation accuracy, CSAT impact, Japanese honorific handling, and compliance recording requirements.
前田 彩香
CX Automation Lead
Inference Engine Wars 2026: vLLM, SGLang, TensorRT-LLM, llama.cpp, MLX
vLLM 0.8, SGLang 0.4, TensorRT-LLM, llama.cpp, and MLX compared head-to-head on throughput, latency, VRAM, batching strategy, and quantization. Practical tuning guide for 7B, 70B, and 405B models.
佐藤 美咲
ML Infrastructure Engineer
LLM Observability 2026: OpenLLMetry, Prompt Traces & Hallucination Detection in Production
OpenLLMetry/OpenInference semantic conventions, tool-call span attributes, and how to choose between Langfuse, Helicone, Arize Phoenix, and W&B Weave. Cost allocation by feature, latency SLIs, and hallucination detection built on Grafana Tempo and ClickHouse.
宮崎 慎太郎
Senior Observability Engineer
AI Market Financial Reactions 2026: NVIDIA, Anthropic Funding, TSMC & ETF Trends
AI-related equities continue to swing wildly into 2026. An investor-focused analysis of NVIDIA's correction, Anthropic's fundraise, OpenAI's valuation, TSMC/ASML prices, and AI ETF flows.
中村 大輔
AI Industry Analyst
MCP Server Deep Dive: Building the Heart of Claude Plugins
Model Context Protocol server internals, plus hands-on implementation of Slack integration, DB queries, and filesystem access. Covers permission models and comparison with OpenAI Function Calling and ChatGPT Plugins.
佐藤 美咲
Principal Platform Engineer
AI Unicorn Private Market 2026: Anthropic, OpenAI IPO, xAI, Mistral Valuations
Anthropic at $320B, OpenAI IPO speculation, xAI Series F, Mistral's European strategy, Cohere's enterprise pivot. The latest private market dynamics and secondary trading activity — and what it means for Japanese investors.
森 千里
Private Markets Strategist
AI Agent Marketplace Monetization 2026: GPT Store, Claude Artifacts & Gemini Gems Economics
The AI agent marketplace is a real business now. Usage-based, subscription, and revenue-share models analyzed with real data from GPT Store, Claude Artifacts, and Gemini Gems.
高橋 由紀
AI Platform Economist
Migrating from RAG to Agentic Workflows: Strategy and Evaluation Redesign
Static RAG is showing its limits on complex business workflows. Migration to agentic workflows is irreversible — but you don't have to abandon RAG. Hybrid design, cost-quality tradeoffs, governance changes, and evaluation harness reconstruction at implementation depth.
酒井 弘樹
Principal AI Architect
Enterprise AI Spending Shift 2026: SaaS Budget Reallocation and Fortune 500 Reality
Fortune 500 companies now have standalone AI budget line items, with LLM APIs at 14% of enterprise cloud spend. SaaS budget reallocation, build-vs-buy decisions, and how NTT Data, NEC, and Fujitsu are responding — verified with Q1 2026 data.
大野 一馬
Enterprise Technology Strategist
Open LLM Shootout 2026: Qwen 3 vs Llama 4 vs DeepSeek R2 vs Mistral Large 3
Qwen 3 72B, Llama 4 405B, DeepSeek R2, and Mistral Large 3 pushed hard on MMLU-Pro, SWE-Bench, tool use, and inference cost. A use-case recommendation matrix included.
田中 翔太
Lead AI Engineer
Japan's AI Governance Evolution: Hiroshima Process, AI Promotion Act, and Copyright 30-4 in 2026
Two years after the Hiroshima AI Process international code of conduct — METI guideline updates, PPC LLM-specific guidance, the 2026 AI Promotion Act deliberations, and Copyright Article 30-4 interpretation. Japan's position benchmarked against Singapore, South Korea, and India.
小林 健二
Principal Policy Analyst
Claude Opus 4.7 vs Sonnet 4.6: Benchmarks, Cost & When to Use Which
Technical breakdown of Claude Opus 4.7 and Sonnet 4.6: SWE-bench, Terminal-bench, and MMLU-Pro scores, cost efficiency, prompt caching behavior, and a use-case decision guide.
田中 翔太
Lead AI Engineer
Enterprise LLM Inference Patterns 2026: GPU Sharing, Autoscaling & SLO-Driven Routing
When to self-host vs use managed inference (Bedrock/Vertex/Azure AI), GPU sharing via MIG/MPS, KEDA queue-length autoscaling, and SLO-driven routing. A real case that reduced serving costs from $85k/month to $12k/month.
池田 千夏
Staff Platform Engineer
Long-Horizon Agent Memory Architectures: Episodic Stores, Entity Graphs, MemGPT & Anthropic Memory Tool
Memory system design for long-running agents. Episodic vector stores, KùzuDB/Neo4j entity graphs, MemGPT hierarchical memory, and Anthropic Memory Tool patterns with pgvector/DuckDB code examples.
渡辺 光輝
Memory Systems Architect
Zero-Trust Identity for AI Agents: NHI and Audit Trail Design
Human authentication models break down when AI agents operate internal systems autonomously. Non-Human Identity, scoped API keys, mTLS, and audit trail design explained with Okta for Agents, Workload Identity Federation, and HashiCorp Boundary examples.
内田 拓海
Principal Security Architect
The Rise of AI Agent Marketplaces: SDKs, LangGraph Studio & Emerging Business Models
AI agent marketplaces are maturing fast. In-depth analysis of the Anthropic Agent SDK, Vercel AI SDK agents, LangGraph Studio, and new revenue models including revenue sharing and consumption pricing.
佐藤 美咲
ML Infrastructure Engineer
EU AI Act Enforcement Phase 2026: Fines, National Authorities, and Cross-Border SaaS Compliance
The EU AI Act entered full enforcement in 2026. Covers prohibited practices, high-risk system obligations, GPAI rules, CNIL and BfDI enforcement actions, and a checklist for Japanese SaaS operators.
中村 理恵
Senior Regulatory Counsel
AI Accelerator Deep Dive 2026: H200, B200, GB200 NVL72, MI300X, TPU v6, Trainium3, Gaudi 3
Cross-platform comparison of MFU, HBM bandwidth, NVLink/Infinity Fabric topology, and TCO for 70B training. Includes Japan procurement availability via NTT, KDDI, and Sakura Internet.
長谷川 武
Principal Infrastructure Architect
Measuring AI Copilot ROI Honestly: DevEx Methodology in 2026
Reporting Copilot ROI as "acceptance rate x time saved" is over. Combining DORA, SPACE, controlled experiments, and bug-rate deltas, this post presents an honest measurement methodology using data from LINE Yahoo, Mercari, and Cybozu.
伊藤 絵里
Principal DevEx Researcher
Generative AI Regulation 2026: EU AI Act, US Executive Orders & Japan's AI Policy
A comprehensive look at 2026 AI regulation. Covers EU AI Act enforcement, revised US executive orders, Japan's AI Basic Act, and what enterprises need to do today to stay compliant.
山田 美和
AI Policy Analyst
Open-Source LLM Landscape 2026: Llama 4, Mistral Large 3, Qwen 3, DeepSeek, Phi-4
A full survey of the 2026 open-source LLM field. Compares Llama 4, Mistral Large 3, Qwen 3, DeepSeek, and Phi-4, plus inference optimization with vLLM, SGLang, and TensorRT-LLM.
佐藤 美咲
ML Infrastructure Engineer
OpenClaw: Open-Source AI Agent Framework Deep Dive
An architectural breakdown of OpenClaw, the next-generation AI agent framework positioned beyond LangChain, CrewAI, and AutoGen. From tool-use patterns to memory system internals.
田中 翔太
Lead AI Engineer
Hermes 3 & Local LLM Inference Practical Guide
A complete guide to deploying Nous Research's Hermes 3 locally. Covers Ollama and vLLM inference optimization, GGUF quantization, and benchmark comparisons against cloud APIs.
佐藤 美咲
ML Infrastructure Engineer
Path to AGI: Autonomous Agents & Super Brain Architecture
Designing a multi-LLM orchestration layer that dynamically routes across GPT-4o, Claude, and Gemini. Architecture and implementation of a Super Brain system where specialized sub-agents report to a meta-agent.
田中 翔太
Lead AI Engineer
Free Quantum Computing: From China's Origin Quantum to IBM Qiskit
A hands-on comparison of free quantum computing platforms. We actually ran quantum circuits on Origin Quantum, IBM Quantum, Google Cirq, and Amazon Braket's free tiers.
山田 健一
Research Engineer
MDS: Deploying Large Models to Edge with Model Distillation System
How to distill a 70B-parameter model down to 7B for consumer GPUs and edge devices. Practical GPTQ vs AWQ vs GGUF comparison and distillation techniques that preserve output quality.
佐藤 美咲
ML Infrastructure Engineer
2025 Free AI API Guide: 15 Services You Should Know
A practitioner's review of 15 free AI APIs — Groq, Together.ai, Hugging Face, Gemini, and more. Covers rate limits, available models, and the best use cases for each.
鈴木 大輔
Full-Stack Engineer
CLI Tools 2025: Essential DevOps Engineer Toolchain
The CLI tools DevOps engineers actually use in 2025 — from starship, ripgrep, lazygit, and k9s to AI-powered CLIs. Includes setup steps and real-world usage tips.
木村 拓也
DevOps Engineer
Subvertentes: Advanced Prompt Engineering & Multi-Step Reasoning
Practical prompt engineering beyond Chain-of-Thought, Tree-of-Thought, and Graph-of-Thought. Multi-step prompt chaining for business process automation, illustrated with KGA's real client projects.
田中 翔太
Lead AI Engineer
DeepSeek R1: The Impact of a Reasoning-Specialized Model
DeepSeek R1 beat GPT-4o on reasoning benchmarks. A technical analysis of its chain-of-thought internals and what its open-source strategy means for the broader AI ecosystem.
中村 悠太 / Yuta Nakamura
Lead AI Engineer
Claude 4 Sonnet/Opus: Comprehensive Review of Anthropic's Latest Models
The Claude 4 family is a full redesign. We review Constitutional AI advances, tool-use performance gains, and coding benchmark results — all backed by hands-on test data.
林 美咲 / Misaki Hayashi
Infrastructure Lead
Gemini 2.0 Flash: Google's Multimodal Strategy
Testing Gemini 2.0 Flash's multimodal capabilities and 1M-token context in practice. Also covers when to use Gemma open models versus the full Gemini API.
金 東勲 / Kim Dong-hoon
Security Engineer
Llama 4: Meta's Open Source Revolution Accelerates
Llama 4 arrives with Scout and Maverick variants. Analysis of the Mixture of Experts architecture and its implications for the open-source AI community.
鈴木 健一 / Kenichi Suzuki
Full-Stack Engineer
Grok-3: xAI's Challenge and Real-Time AI
Grok-3 carves out a unique position through real-time data integration. We test X (Twitter) integration in practice and compare performance against other leading models.
中村 悠太 / Yuta Nakamura
Lead AI Engineer
Mistral Large 2 and Mixture of Experts Complete Guide
A technical deep dive into Mistral Large 2's MoE architecture. Covers Codestral's coding performance and the practical GDPR compliance advantages of a European-hosted model.
林 美咲 / Misaki Hayashi
Infrastructure Lead
Qwen 3: Alibaba's AI Reaches World-Class Level
Qwen 3 achieves top-tier performance in multilingual tasks, math, and coding. Analysis of its open-weight strategy and measurable advantages in Asian languages.
金 東勲 / Kim Dong-hoon
Security Engineer
Running RAG in Production: Design Patterns and Pitfalls
RAG is easy to prototype, hard to operate. KGA shares real-world design patterns and failure stories from production: chunking strategies, reranking, and evaluation pipelines.
中村 悠太 / Yuta Nakamura
Lead AI Engineer
LoRA/QLoRA Fine-Tuning Practical Guide 2026
A practitioner's guide to LLM fine-tuning with LoRA and QLoRA. Covers dataset preparation, optimal hyperparameter settings, and evaluation — drawn from KGA's real client engagements.
林 美咲 / Misaki Hayashi
Infrastructure Lead
AI Code Assistants Comparison 2026: Cursor vs Claude Code vs Copilot
A head-to-head comparison of Cursor, Claude Code, and GitHub Copilot on real development tasks. Ten benchmark tasks covering code generation accuracy, refactoring, cost, and developer experience.
鈴木 健一 / Kenichi Suzuki
Full-Stack Engineer
FLUX vs SDXL: The Cutting Edge of AI Image Generation
A thorough comparison of FLUX.1 and Stable Diffusion XL image generation. Includes ComfyUI workflow construction and practical prompt engineering techniques.
中村 悠太 / Yuta Nakamura
Lead AI Engineer
AI Video Generation 2026: Comparing Sora, Kling, and Runway Gen-4
Sora, Kling, and Runway Gen-4 tested on actual business use cases. An honest review of quality, cost, and constraints across all three tools.
林 美咲 / Misaki Hayashi
Infrastructure Lead
Kubernetes Production 2026: Lessons We Learned
Three years of running Kubernetes in production, shared honestly. Autoscaling traps, observability setup, cost optimization, and post-incident analyses of real outages.
金 東勲 / Kim Dong-hoon
Security Engineer
Terraform vs Pulumi: Complete IaC Tool Comparison
After partially migrating from Terraform to Pulumi, KGA compares both tools from an operational perspective. Includes the migration decision criteria and the actual migration process.
鈴木 健一 / Kenichi Suzuki
Full-Stack Engineer
Zero Trust Architecture Implementation Record
The full record of KGA's real Zero Trust deployment. BeyondCorp model implementation, identity-based access control, phased migration process, and measured outcomes.
金 東勲 / Kim Dong-hoon
Security Engineer
7 Lessons Learned from Deploying AI Agents to Production
Seven hard lessons from running AI agents in production. Failure modes, guardrail design, monitoring, and cost runaway prevention — illustrated with real failure cases.
中村 悠太 / Yuta Nakamura
Lead AI Engineer
Edge Computing in Practice: What You Can Do with Cloudflare Workers
Real-world edge computing examples using Cloudflare Workers, D1, R2, and KV. Performance benchmarks and concrete use cases from production deployments.
鈴木 健一 / Kenichi Suzuki
Full-Stack Engineer
vLLM & TensorRT-LLM: Inference Server Optimization in Practice
Benchmarking vLLM's PagedAttention against TensorRT-LLM's FP8 kernels. Covers batching strategy, KV cache management, and production operations know-how.
中村 悠太
Senior AI Engineer
Next.js 16 Migration Guide: App Router Practical Patterns
Challenges and solutions from our Next.js 16 migration. React Server Components patterns, streaming, cache strategy optimization — the full production migration record.
林 美咲
Frontend Tech Lead
PostgreSQL 17 New Features & Our Migration Record
PostgreSQL 17 validated in production. JSON_TABLE, incremental backups, MERGE improvements, and performance gains — with real benchmarks and our PG16-to-PG17 migration steps.
金 東勲
Infrastructure Engineer
Building an LLM Evaluation Framework: How to Measure Quality
Building an LLM output quality evaluation framework from scratch. Custom benchmarks, calibration against human evaluation, and the design and operation of automated test pipelines.
鈴木 健一
ML Platform Engineer
Docker Container Security Hardening: Practical Checklist
A checklist-driven guide to container security. Rootless Docker, image scanning, runtime protection, and network isolation — covering everything a production environment requires.
中村 悠太
Senior AI Engineer
gRPC vs REST: Choosing Microservice Communication
How to choose between gRPC and REST for inter-service communication. Protocol Buffers, streaming, error handling — plus real benchmark data from KGA's production systems.
林 美咲
Frontend Tech Lead
How We Cut API Costs by 80% with Prompt Caching
The full story behind reducing LLM API spend by 80% through prompt caching. From exact-match to semantic caching, with Redis-based implementation patterns.
金 東勲
Infrastructure Engineer
GitHub Actions Advanced Workflows: Matrix Builds to Self-hosted Runners
Advanced GitHub Actions in practice. Matrix build optimization, reusable workflows, caching strategies, and how to build and operate self-hosted runners.
鈴木 健一
ML Platform Engineer
WebAssembly Transforms Server-Side: Wasmtime, Spin, Fermyon
WebAssembly is moving beyond the browser into server-side runtimes. An honest assessment of Wasmtime, Spin, and Fermyon Cloud — including real performance data and practical limitations.
中村 悠太
Senior AI Engineer
AI-Powered Monitoring: From Anomaly Detection to Incident Response
Building an AI-powered monitoring system from scratch. Metric anomaly detection, automated log analysis, alert aggregation, and incident response automation — with an honest AIOps evaluation.
林 美咲
Frontend Tech Lead
Redis 8: Beyond Caching
Using Redis 8's new features for non-cache workloads. Vector search, Pub/Sub, Streams, and native JSON support — all with implementation patterns and real performance measurements.
金 東勲
Infrastructure Engineer
Software Supply Chain Security 2025
Supply chain attack realities and defenses. SBOM generation, Sigstore artifact signing, SLSA framework implementation, and real incident analysis — comprehensive coverage.
鈴木 健一
ML Platform Engineer
Multi-Agent Framework Comparison: CrewAI vs AutoGen vs LangGraph
Three multi-agent frameworks tested on production workloads. Architecture philosophy, implementation patterns, performance, and operational challenges — based on KGA's real project experience.
中村 悠太
Senior AI Engineer
Observability Stack 2025: OpenTelemetry, Grafana, Tempo, Loki
Building a 2025 observability stack from zero. OpenTelemetry instrumentation, Grafana+Tempo+Loki integration, distributed tracing in practice, and cost-efficient operations design.
林 美咲
Frontend Tech Lead
AI Voice Synthesis 2025: ElevenLabs, XTTS, Bark & Practical Voice Cloning
Hands-on reviews of ElevenLabs, Coqui XTTS v2, Bark, and StyleTTS2. Quality comparisons, voice cloning implementation, ethical considerations, and real project application examples.
金 東勲
Infrastructure Engineer
Bun vs Deno vs Node.js: Runtime Comparison 2025
Three JavaScript/TypeScript runtimes tested on production workloads. Startup speed, HTTP throughput, bundle performance, ecosystem maturity, and a migration guide — with real benchmark data.
鈴木 健一
ML Platform Engineer
Vector Database Comparison: Pinecone, Qdrant, Weaviate, Milvus, Chroma
Five major vector databases tested on production workloads. Search accuracy, latency, scalability, cost, and operational overhead evaluated with real data — plus a use-case selection guide.
中村 悠太
Senior AI Engineer
Phi-4 & the SLM Revolution: When Small Models Outperform Giants
Microsoft Phi-4 proved that small models can punch above their weight. Domains where 14B outperforms 70B, edge deployment in practice, and realistic design patterns for mobile AI.
中村 悠太
Senior AI Engineer
Cloudflare AI Gateway: Build AI App Infrastructure in 10 Minutes
A setup guide for AI application infrastructure using Cloudflare AI Gateway. Rate limiting, caching, analytics, and provider fallback — all configured in 10 minutes.
林 美咲
Frontend Tech Lead
OpenAI Realtime API: Building Real-Time Voice AI
Design and implementation of real-time voice AI applications using the OpenAI Realtime API. WebSocket connections, voice mode, Function Calling integration, and latency optimization.
金 東勲
Infrastructure Engineer
AWS Bedrock in Production: Design and Operations Reality
Practical know-how for deploying AWS Bedrock in production. Architecture decisions, model selection, Guardrails configuration, RAG via Knowledge Bases, and cost optimization.
鈴木 健一
ML Platform Engineer
GraphQL Federation v2: The Definitive Microservices API Integration
Design and implementation of microservice API integration with Apollo Federation v2. Subgraph design, supergraph composition, schema merging, and a phased migration strategy from REST.
中村 悠太
Senior AI Engineer
AI Safety & Alignment: A Practitioner's Perspective
AI safety treated as an engineering problem, not an academic one. Guardrail implementation, content filtering, Red Teaming techniques, and the real cost of over-cautious AI systems.
林 美咲
Frontend Tech Lead
Rust for Backend Developers: A Practical Introduction
A hands-on guide for Go/Node.js engineers considering Rust. Actix-web vs Axum comparison, async runtimes, and a practitioner's approach to understanding the ownership model.
金 東勲
Infrastructure Engineer
MLOps Pipeline Architecture: From Model Development to Production
End-to-end MLOps pipeline design. MLflow experiment tracking, Feature Store, model registry, production deployment strategy, and drift detection — KGA's full operational playbook.
鈴木 健一
ML Platform Engineer
Google Willow Quantum Chip: Breakthrough in Quantum Error Correction
Google's Willow quantum chip and what it achieved in quantum error correction. The significance of 105 qubits, random circuit sampling results, and the path to practical quantum computing.
中村 悠太
Senior AI Engineer
OpenRouter: Accelerating Development with Unified AI API
A practical guide to multi-model AI development with OpenRouter. Unified API, model routing, fallback strategies, and cross-provider cost comparison and optimization.
林 美咲
Frontend Tech Lead
Incident Response Automation: From PagerDuty to Slack Bots
Automating incident response end to end. PagerDuty and Slack Bot integration, automated runbook execution, auto-remediation, and building a blameless postmortem culture.
金 東勲
Infrastructure Engineer
Embedding Models Comparison 2025: OpenAI, Cohere, BGE, Jina
A practitioner's comparison of major 2025 embedding models. OpenAI text-embedding-3, Cohere embed-v3, BGE-M3, and Jina Embeddings v3 — multilingual performance, cost, and retrieval quality.
鈴木 健一
ML Platform Engineer
Building a Design System with Tailwind CSS v4
A design system construction guide using Tailwind CSS v4. CSS-first configuration, design tokens, component library patterns, and a migration strategy from v3.
中村 悠太
Senior AI Engineer
API Rate Limiting Strategies: Token Bucket, Sliding Window & Distributed Implementation
Comparison of major API rate limiting algorithms — Token Bucket, Sliding Window Log, Sliding Window Counter — with Redis-based distributed implementation patterns.
林 美咲
Frontend Tech Lead
Training AI with Synthetic Data: Methods and Limitations
Major synthetic data generation approaches — LLM generation, GANs, simulation — plus quality evaluation metrics, privacy-preserving applications, and a frank look at model collapse.
金 東勲
Infrastructure Engineer
Platform Engineering 2025: Designing Developer Experience
Platform engineering in practice. Internal Developer Platform (IDP) design, Golden Paths, self-service enablement, Backstage adoption, and making developer experience measurable.
鈴木 健一
ML Platform Engineer