Real incidents, structured for engineering judgment.

Production incidents contain hard-won engineering lessons, but the useful details are scattered across status pages, engineering blogs, conference talks, and incident reports written for different purposes.

Failure Modes sits between outage news and internal reliability practice. It is not trying to report every downtime event. It is trying to turn public failures into durable lessons about how systems behave under pressure.

Each case follows a consistent spine: what broke, who was affected, how the failure propagated, what made recovery harder, and what changed afterward. The structure is meant to make comparison easy without flattening every incident into the same template.

The point is not to reduce an incident to one bad decision or one tidy root cause. Most production failures are combinations of technical decisions, missing safeguards, stale assumptions, and time pressure. The useful question is what the system taught everyone once it failed.