Reliability, security & resilience · Core
Security
Also called: information security
ELI5
Keep systems and information safe.
Used in conversation
“Security requirements belong in product design, not only audit.”
Definition
Protection of systems, data and users against unauthorised access, harm or disruption.
Here “Security” means: Protection of systems, data and users against unauthorised access, harm or disruption.
Pitch context
You will see “Security” 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.
Connected terms
- SecurityThe same visible label “security” names different concepts.
- CollateralThe search label “security” can route to both entries.
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