unusual activity
nounverified·updated May 9, 2026
Unexpected or extraordinary behavior.
MWEFFIEC Cybersecurity Assessment Tool, Baseline, May 2017
Senses
NIST SP 800-171r3attested usage pack match
No definition is given in NIST SP 800-171r3. The term is attested in use at 1 citation in that document; a definition is pending curation.
Classifications
Entity Type
Event85%llm-generatedllm:claude-haiku-4-5
?unassignedlast reviewed —
Sensitivity
unclassified
Information Class
unclassified
Variants
- plural
- unusual activities
- possessive
- unusual activity's
- pluralpossessive
- unusual activities'