Elevated Mailbox Permission Assigned

Last updated on:

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