Anomalous M365 Account Extended Period Without Password Reset
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About the rule
Rule Type
Anomaly
Rule Description
Flags M365 accounts with unusually long durations between password changes.
Severity
Critical
Rule Requirement
Criteria
Action1:
actionname = "DETECTION_ACTION_M365_USER_PASSWORD_RESET"
| isanomalous(User at an unusual Time)
| isanomalous(User with abnormal Count)
select Action1.CALLER,Action1.TARGET,Action1.RESULT,Action1.MODIFIED_PROPERTIES_GD,Action1.TARGET_ID,Action1.OPERATION
Detection
Execution Mode
Intelligent
Log Sources
Microsoft 365
