Suspicious OAuth App File Download Activities (via threat_management)

title: Suspicious OAuth App File Download Activities (via threat_management)
id: 951c1c06-2a97-50e2-82a6-8767f75f3dc6
status: stable
description: This rule detects when a Microsoft Cloud App Security reported when an app downloads multiple files from Microsoft SharePoint or Microsoft OneDrive in a manner that is unusual for the user.
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: Huntrule Team
date: 2026-04-08
tags:
    - attack.exfiltration
    - attack.collection
    - attack.t1530
    - attack.t1567.002
logsource:
    service: threat_management
    product: m365
detection:
    selection:
        eventSource: SecurityComplianceCenter
        eventName: 'Suspicious OAuth app file download activities'
        status: success
    condition: selection
falsepositives:
    - Unknown
level: medium