#postmortem

The Telstra outage explained: a rebooted GPS card with old firmware said it was 2006, and the NTP server design let it outvote every other clock.

UK air traffic control failure, Sep 8 2026: a squawk code update paused for one millisecond resumed wrong and hit 2,000+ flights. The NATS report explained.

00:34. Uma manutenção automática do provedor de nuvem reciclou os dois servidores do banco de...

Our self-hosted runner serves CI for five repositories on one physical VM. It started acting...

I went looking for why none of our registered users were using the product. I found something worse:...

A postmortem on Anthropic's “Instruction Poisoning” block. The refusal ended with an...

The Cloudflare outage of July 2, 2019: one WAF regex with catastrophic backtracking pushed every CPU to 100% and dropped 82% of traffic for 27 minutes.

A test passed in isolation and only failed inside the full suite. The culprit was a monkeypatch in...

단독으로 돌리면 통과하고 전체 스위트에서만 실패하던 테스트, 범인은 다른 파일의 몽키패치였습니다 전체 회귀 테스트를 돌릴 때마다 특정 테스트 하나가 가끔 실패했습니다. 그런데 그...

An opt-in consent gate shipped as a compliance win. GA4 said 8 users that day; the server logs said 446. On banner blindness, single-channel monitoring, and why "no structural change" is not "no behavioral change".

Este é um relato de incidente real do surfaai. O artigo seguinte da série generaliza o padrão; aqui...

Originally published at aideazz.xyz — cross-posted here with canonical link. A field note from the...