unusual activity

Related

detection · alert · flagged · aberrant · pattern · deviation · monitoring · outlier · unexpected · glitch · spike · behavior · surveillance · triggered · breach · incident · abnormal · erratic

Opposites
frequency/normalcy

unusual activitybusiness as usual

Continuation of normal routine

status quo · daily routine · standard procedure · same old same old · the usual

alertness level

unusual activityall clear

Signal danger has passed

no cause for concern · normalcy · calm · stability · inactivity

Familiarity
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