Suspicious Microsoft 365 - Impossible Travel Activity (via threat_management)

title: Suspicious Microsoft 365 - Impossible Travel Activity (via threat_management)
id: b9f7d1db-ed2a-5b5b-bf78-2319ffd7c11b
status: stable
description: This rule detects when a Microsoft Cloud App Security reported a risky sign-in attempt due to a login linked with an impossible travel.
references:
    - https://attack.mitre.org/techniques/T1078/
    - 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: 2026-05-26
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.initial-access
    - attack.stealth
    - attack.t1078
logsource:
    service: threat_management
    product: m365
detection:
    selection:
        eventSource: SecurityComplianceCenter
        eventName: 'Impossible travel activity'
        status: success
    condition: selection
falsepositives:
    - Unknown
level: medium