Microsoft 365 - User Restricted from Sending Email
Detects when a Security Compliance Center reported a user who exceeded sending limits of the service policies and because of this has been restricted from sending email.
Detection logic
selection
eventSource: SecurityComplianceCenter
eventName: User restricted from sending email
status: successCondition
selectionRaw YAML
title: Microsoft 365 - User Restricted from Sending Email
id: ff246f56-7f24-402a-baca-b86540e3925c
status: test
description: Detects when a Security Compliance Center reported a user who exceeded sending limits of the service policies and because of this has been restricted from sending email.
references:
- https://learn.microsoft.com/en-us/defender-cloud-apps/anomaly-detection-policy
- https://learn.microsoft.com/en-us/defender-cloud-apps/policy-template-reference
author: austinsonger
date: 2021-08-19
modified: 2022-10-09
tags:
- attack.initial-access
- attack.t1199
logsource:
service: threat_management
product: m365
detection:
selection:
eventSource: SecurityComplianceCenter
eventName: 'User restricted from sending email'
status: success
condition: selection
falsepositives:
- Unknown
level: mediumFalse positives
- Unknown