Outage Postmortem
Definition
A post-incident analysis examines causes, impacts, and possible improvements.
A structured, as blame-free as possible analysis of an incident including causes, impacts, response, and improvement measures.
Simply explained
After an outage, it is jointly reviewed what happened and what should work better in the future.
Why it matters in practice
The term contributes to secure, maintainable, and high-performance web applications as well as resilient technical decisions.
Example from business
After an API outage, timeline, contributing factors, and verifiable measures are documented.
Limits and pitfalls
- Only searching for the last technical cause or recording measures without responsible persons and deadlines.
Origin & history
Postmortems have been popularized through Site Reliability Engineering and security incident processes.
Use in mid-sized companies
- Possible application: After an API outage, timeline, contributing factors, and verifiable measures are documented.
Frequently asked questions
What does post-incident analysis of a system failure mean?
A structured, as blame-free as possible analysis of an incident including causes, impacts, response, and improvement measures. Which mistakes should be avoided? Only searching for the last technical cause or recording measures without responsible persons and deadlines.
Sources
Source checked on 10.10.2026. Editorial application examples are hypothetical; no evidence of real customer results.
Editorially reviewed on: