Reliability, security & resilience · Working
Observability
Also called: system observability
ELI5
Enough evidence exists to understand what the system is doing.
Used in conversation
“Observability shortened incident diagnosis.”
Definition
The ability to understand a system's internal state from outputs such as logs, metrics and traces.
Here “Observability” means: The ability to understand a system's internal state from outputs such as logs, metrics and traces.
Pitch context
You will see “Observability” in product strategy decks, roadmaps, experiments and architecture reviews when the discussion reaches reliability, security & resilience.
Why it matters: In reliability, security & resilience, the scope can change what data may be used, who may access it and which controls are required.
Sources & evidence · 2
Direct term-level sources and supporting source families.
- National Institute of Standards and Technology — Computer Security Resource Center GlossaryDirect source · primary · checked 2026-08-16
- Scrum Guides — The Scrum Guide — official current versionSupporting source family · primary · checked 2026-08-16