Elevated Mailbox Permission Assigned
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About the rule
Rule Type
Standard
Rule Description
Flags when permissions such as FullAccess or SendAs are granted to another user.
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "DETECTION_ACTION_M365_ADD_MAILBOX_PERMISSION" AND ((PARAMETERS contains "fullaccess" OR PARAMETERS contains "changepermission" OR PARAMETERS contains "changeowner")) select Action1.CALLER,Action1.TARGET,Action1.IPADDRESS,Action1.PARAMETERS,Action1.OPERATION,Action1.ACCESSRIGHT
Detection
Execution Mode
realtime
Log Sources
Microsoft 365
