Tech Upkeep Blog

Insights on tech newsletters, engineering blogs, and staying updated as a developer

Security / Developer Tools

Vercel Breach: ShinyHunters Sells Next.js Supply Chain Access for $2M

A BreachForums admin is selling claimed access to Vercel internals for $2M, pitched as the 'largest supply chain attack ever' on Next.js. What's verified vs. marketing, and an 11-step playbook to protect your app now.

April 20, 20267 min read
AI / Cybersecurity

Project Glasswing: Anthropic Built an AI That Finds Zero-Days, Then Refused to Release It

I tested Claude Opus against Codex and Composer 2.0 on real CTF challenges. Opus won by a mile. Now Anthropic's built something even more powerful — and chose not to ship it.

April 8, 20266 min read
AI Workflows

How Karpathy Built a Self-Improving AI Second Brain

Karpathy stopped asking ChatGPT questions. Instead, he built a system where LLMs maintain a 400K-word wiki — 100 articles, zero manual editing. Here's the exact setup.

April 3, 20268 min read
Security / AI Tools

Claude Code's Leaked Source: What We Found Inside

512,000 lines of TypeScript. Killswitches, an autonomous daemon called KAIROS, anti-distillation traps, and an undercover mode that hides AI authorship. All exposed by one forgotten source map file.

April 2, 202614 min read
Infrastructure & Cloud

Major Cloud Outages of 2025: Root Causes Exposed

AWS, Azure, GCP, Cloudflare — all went down in 2025. Not from cyberattacks, but config drift and brittle control planes. $60B in damages. Here's what actually broke and why.

November 21, 202514 min read
Developer Productivity

AI Coding Agents: What the Data Actually Shows

GitHub Copilot writes 46% of code at Microsoft. Google sees 2.5x task completion. Commonwealth Bank won't go back. Real numbers on what works and what's hype.

November 14, 202512 min read
AI / Analysis

AI Agents: Why 90% Fail After the Pilot

MMC Ventures' data shows 90% of AI agent projects claim success but only 10% reach real adoption. 40% of initiatives will be dead by 2027. Here's what separates the survivors.

November 8, 202510 min read
AI & Ethics

Reddit AI Data Deals: Lawsuits, Licensing, and $203M+

Reddit's $60M/yr Google deal, OpenAI partnership, Perplexity lawsuit, and $203M in data licensing revenue. Full breakdown of who's paying, who's scraping, and what's next.

October 30, 202512 min read
Origin Story

Why I Built Tech Upkeep

I was subscribed to 30+ tech newsletters and reading none of them. So I built a system that reads 110+ sources and sends me only what matters. Here's the story.

October 27, 20258 min read
Infrastructure & Cloud

AWS US-EAST-1 Outage Oct 2025: Root Cause + Timeline

14-hour AWS US-EAST-1 outage on Oct 20, 2025. DynamoDB DNS race condition root cause, 6.5M Downdetector reports, full timeline, and AWS post-mortem findings.

October 21, 202510 min read
Developer Tools

GitHub Trending: Find Dev Tools Before Everyone Else

shadcn/ui, Bun, Ollama — all trended on GitHub before going mainstream. Here's how to use GitHub Trending to discover the next big tool months before everyone else.

October 21, 20257 min read
Career Growth

How Junior Devs Stay Updated Without Burning Out

You don't need to read Hacker News every day. Here's a sustainable system for staying current with tech — newsletters, GitHub Trending, and 15 minutes a day.

October 18, 202510 min read
Learning

10 Best Developer Newsletters in 2025 (Ranked)

10 developer newsletters ranked by real engineers. Covers system design, frontend, backend, AI/ML, and DevOps. Updated with subscriber counts and frequency.

October 15, 20258 min read

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