unusual activity
nounverified·updated Oct 7, 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
Event100%manual reviewI-079.event_restored
Ddorianclast reviewed —
Event is a type again; Triggering Event is an Event that obliges a response (Dorian, 2026-10-07; cki DESIGN.md I-079)
Sensitivity
unclassified
Information Class
unclassified
Variants
- plural
- unusual activities
- possessive
- unusual activity's
- pluralpossessive
- unusual activities'