Malicious M365 CA Policy Changes After Business Hours

Last updated on:

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