home/glossary/lessons learned

lessons learned

nounid 3134·updated May 12, 2026
candidate

A set of statements captured after completion of a project or a portion of a project that describes in a neutral way what did or did not work, along with a statement regarding the risk of ignoring the lesson.

MWE

Classifications

Entity Type

Artifact0%rule-basedmulti_axis_classifier_low_confidence.v1

Sensitivity

80%llm-generatedllm:claude-haiku-4-5

Information Class

85%llm-generatedllm:claude-haiku-4-5

Variants

synonym
knowledge gained from analysing and resolving information security incidents
plural
lessons learneds
possessive
lessons learned's
pluralpossessive
lessons learneds'

Framework definitions

NIST Cybersecurity Framework1 senseview framework →
§1
A set of statements captured after completion of a project or a portion of a project that describes in a neutral way what did or did not work, along with a statement regarding the risk of ignoring the lesson.
NERC CIP-008-5 (Incident Reporting & Response Planning) v51 senseview framework →
§1
A set of statements captured after completion of a project or a portion of a project that describes in a neutral way what did or did not work, along with a statement regarding the risk of ignoring the lesson.

Outgoing relationships

No outgoing triples
This term is not the subject of any RDF-style relationship yet.

Incoming relationships

No incoming triples
No other term currently asserts a relationship to this one.