postmortems (8)
- intermediate 26 May 2026 · 7 minSignal Impacted by Twilio Social Engineering Attack
Engineering postmortem: Signal Impacted by Twilio Social Engineering Attack. Root cause, timeline, blast radius, and systemic lessons for production systems.
- intermediate 25 May 2026 · 10 minLLM Guardrail Failures in Production: Bridging Test & Reality
Understand why LLM guardrails fail under production loads and learn systemic lessons to prevent discrepancies between testing and real-world inputs.
- intermediate 23 May 2026 · 14 minOpenAI macOS App Supply Chain Attack via TanStack
Engineering postmortem: OpenAI macOS App Supply Chain Attack via TanStack. Root cause, timeline, blast radius, and systemic lessons for production systems.
- intermediate 22 May 2026 · 12 minRubyGems Malicious Package Upload Security Incident
Engineering postmortem: RubyGems Malicious Package Upload Security Incident. Root cause, timeline, blast radius, and systemic lessons for production systems.
- intermediate 21 May 2026 · 5 minDENIC .de TLD DNSSEC Outage
Engineering postmortem: DENIC .de TLD DNSSEC Outage. Root cause, timeline, blast radius, and systemic lessons for production systems.
- intermediate 19 May 2026 · 10 minMini Shai-Hulud Supply Chain Attack on TanStack npm Packages
Engineering postmortem: Mini Shai-Hulud Supply Chain Attack on TanStack npm Packages. Root cause, timeline, blast radius, and systemic lessons for production systems.
- intermediate 19 May 2026 · 10 minNode-IPC Supply Chain Attack: Protestware Incident
Engineering postmortem: Node-IPC Supply Chain Attack: Protestware Incident. Root cause, timeline, blast radius, and systemic lessons for production systems.
- intermediate 17 May 2026 · 13 minQUIC Congestion Window Stalling: Linux Kernel Idle Bug Postmortem
Understand how an incorrect Linux kernel idle optimization port caused QUIC congestion window stalling, its 'death spiral' effect, and key lessons learned.