Malicious M365 CA Policy Changes After Business Hours
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About the rule
Rule Type
Anomaly
Rule Description
Flags risky changes to Conditional Access policies outside working hours.
Severity
Attention
Rule Requirement
Criteria
Action1:
actionname = "DETECTION_ACTION_M365_CONDITIONAL_ACCESS_POLICY_UPDATED"
| isanomalous(User at an unusual Time)
| isanomalous(User with abnormal Count)
select Action1.CALLER,Action1.TARGET,Action1.RESULT,Action1.OPERATION
Detection
Execution Mode
Intelligent
Log Sources
Microsoft 365
