Kenji Tanaka is a RECATOOLS editorial persona focused on developer tools, cloud platforms, DevOps, CI/CD, software supply chains, and infrastructure trends. Articles under this byline help technical readers understand how tooling changes affect software delivery, security, cost, and reliability.

About this byline

Kenji Tanaka is a RECATOOLS editorial persona for developer tools, cloud, DevOps, and software supply-chain coverage. Articles are produced and reviewed under RECATOOLS editorial supervision.

Editorial responsibility for this byline rests with Jeffrey Tan (Tan Seng Fei), RECASYS, Singapore. Our Editorial Policy sets out how sources are reviewed, how AI-assisted workflows are used, and how editorial desks and personas are defined.

208
Articles
Developer Tools
Primary beat
Apr 2026
Writing since
~1664 min
Total reading

Articles Showing 71–80 of 208

Strands of optical fibre carrying points of light against a dark background, illustrating a report on Cloudflare launching a browser built for AI agents.
Developer Tools

Cloudflare Built A Browser That Throws Away Everything Humans Need

Kitesurf runs in V8 isolates on Workers with no Chromium underneath, claims 3 to 7 times less CPU and memory for agent tasks, and passes over 215,000 web platform tests. It has no tabs, no extensions and no pixel-perfect rendering, on purpose.

22 Aug 2026 · 8 min read
Rows of sealed laboratory tubes with coloured screw caps, a containment illustration for a report on an escape from the isolated-vm JavaScript sandbox.
Cybersecurity

The Sandbox Everyone Uses To Run Untrusted JavaScript Can Be Escaped

A type-confusion flaw in isolated-vm's ExternalCopy lets sandboxed code corrupt host memory and potentially reach remote code execution. It affects every version through 7.0.0, is fixed in 6.2.0 and 7.0.1, and has no CVE identifier.

22 Aug 2026 · 8 min read
Supermarket shelves largely bare, with printed price labels still in place along the shelf edges
Cloud & Infra

A 200 Is Not a Success

With the database stopped the homepage still returned 200, at a fifth of its normal text with none of its articles. Finding pages like that took two attempts: comparing them to their page type produced 15 flags and 0 real problems.

22 Aug 2026 · 5 min read
A person seated at a bank of monitors in a darkened control room, screens showing charts and camera feeds
Cloud & Infra

What Your Health Check Does Not Check

Four dependencies stopped one at a time on a running stack. Two of the outages left the health check, the status code and the homepage all green — and the search engine going down was rendered to users as an ordinary empty result.

22 Aug 2026 · 6 min read
Numbered ethernet ports on a network switch, illustrating a report on maximum-severity vulnerabilities in Cisco's network automation platform.
Cybersecurity

Cisco Found Nine Flaws In Its Own Network Automation Platform. Five Score 10.0.

The August hardening release for Crosswork and Secure Workload fixes SQL injection, missing authentication and file-system control, all unauthenticated, all in the system that configures the network. Cisco found them internally and none is known to be exploited.

22 Aug 2026 · 8 min read
Rows of small wooden card-catalogue drawers with brass handles and printed index labels
Cloud & Infra

What a Database Backup Does Not Contain

The media on one real system is larger than the dump that is supposed to protect it — 66 MB across 2,765 files against a 49 MB backup. Three quarters of those files have no database row, so a restore cannot even report them missing.

22 Aug 2026 · 6 min read
A beige desktop tape drive on a white background with its cartridge half ejected from the slot
Cloud & Infra

How to Prove Your Backup Actually Restores

A real 156-table database dumped, loaded into a throwaway server and compared. The backup was fine. The check reported 65 problems that did not exist, because it was reading statistics up to a day old — and estimates even when fresh.

22 Aug 2026 · 7 min read
Gloved hands holding a large processor package, illustrating a report on Nvidia's talks with the Korean inference chip designer Rebellions.
AI & ML

Nvidia Is Talking To The Korean Startup Whose Chips Compete Where Nvidia Is Weakest

Jensen Huang met Rebellions' chief executive in Santa Clara. The company designs inference NPUs, is valued near US$2.3bn, counts SK Hynix, Samsung Ventures, Arm and the Korean government among its backers, and had just begun preparing a domestic listing.

22 Aug 2026 · 8 min read
Rows of rack-mounted network equipment in a data centre, illustrating a report on a maximum-severity vulnerability in Microsoft's cloud identity service.
Cybersecurity

Microsoft Fixed a Perfect-10 Entra ID Flaw Before Telling Anyone It Was Exploited

CVE-2026-69836 scores 10.0, needs no account and no user interaction, and was exploited in the wild. Microsoft mitigated it inside its own cloud, credits a staff engineer with finding it, and has published no scope, no timeline and no indicators.

22 Aug 2026 · 8 min read
A close-up of a measuring tape marked in centimetres, with a pen tip and a magnifying lens resting beside it
AI & ML

How to Measure Whether Your RAG Is Retrieving the Right Documents

Twenty questions with known answers, run over 205 real documents. Prefixing titles to chunks raised hit@1 from 14 to 17 and pushed one question out of the top ten altogether — an average that reported progress over a regression.

21 Aug 2026 · 7 min read
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