title: Microsoft 365 - Potential Ransomware Activity
id: bd132164-884a-48f1-aa2d-c6d646b04c69
status: experimental
description: Detects when a Microsoft Cloud App Security reported when a user uploads files to the cloud that might be infected with ransomware.
author: austinsonger
date: 2021/08/19
references:
    - https://docs.microsoft.com/en-us/cloud-app-security/anomaly-detection-policy
    - https://docs.microsoft.com/en-us/cloud-app-security/policy-template-reference
logsource:
    category: ThreatManagement
    service: Microsoft365
detection:
    selection:
        eventSource: SecurityComplianceCenter
        eventName: "Potential ransomware activity"
        status: success
    condition: selection
falsepositives:
    - Unknown
level: medium
tags:
    - attack.impact
    - attack.t1486