Founder Log

Opinions, learnings, and behind-the-scenes notes from the founder of exit1.dev

4 articles

Founder Log
May 22, 2026•11 min read

GitHub Was Breached Through The Front Door

The GitHub internal repository breach was not a freak accident. It was the obvious result of treating developer machines, editor extensions, and marketplace badges as trusted infrastructure.

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Founder Log
May 1, 2026•7 min read

GitHub Doesn't Get To Decide What 'Down' Means

GitHub has had three months of corrupted merges, broken search, and auth outages — and the status page is still mostly green. That's not because the platform is healthy. It's because GitHub gets to define the word 'down,' and they've defined it generously.

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Founder Log
April 12, 2026•6 min read

Engineering Internals: A 20-Line Semaphore and a Scheduler That Barely Touches the Database

Two small but load-bearing pieces of code from our check runner: a lock-free semaphore that fits on a napkin, and an in-memory schedule that cut our database reads by over 99%.

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Founder Log
April 12, 2026•5 min read

The Night We Almost Paged 10,000 People Because Our Own VPS Blinked

When a thousand unrelated sites all fail in the same second, the problem is almost never a thousand unrelated sites. Here's how we built a circuit breaker for our own alerts — and why every monitoring system needs one.

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