Microsoft 365 - Unusual Volume of File Deletion

Title: Microsoft 365 - Unusual Volume of File Deletion
Status: test
Description:Detects when a Microsoft Cloud App Security reported a user has deleted a unusual a large volume of files.
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.impact'
• -'attack.t1485'

Logsource:

• service: threat_management
• product: m365

Detection:
  selection:
    eventSource: 'SecurityComplianceCenter'
    eventName: 'Unusual volume of file deletion'
    status: 'success'
  condition:selection
Falsepositives:
  -Unknown
Level: medium