Microsoft Cloud App Security: Alerts for Successful Activity from Infrequent Countries

Alerts on successful Microsoft Cloud App Security anomaly events for activity from countries not recently visited by your users.

FreeReviewedSigma · Medium · v4
Product
m365
Service
threat_management
Author
Austin Songer @austinsonger (SigmaHQ), DRL 1.1
Published
2021-08-23
Updated
2026-07-31

ATT&CK techniques

C2
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Persistence

  6. Priv Esc

  7. Defense Evasion

  8. Cred Access

  9. Discovery

  10. Lateral Movement

  11. Collection

  12. Exfiltration

  13. Impact

What it detects

This rule flags successful "Activity from infrequent country" events reported by Microsoft Cloud App Security when an activity originates from a location the organization’s users have not recently, or ever, visited. Attackers commonly use atypical geolocations to evade baseline behavior and to blend in with legitimate access patterns. Detection relies on threat management telemetry from the SecurityComplianceCenter event source, including the event name and success status.

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Changelog

v4
  1. v4
    Candidate ingested via manual entry.2026-07-31
  2. v3
    Candidate ingested via manual entry.2026-07-31
  3. v2
    Candidate ingested via manual entry.2026-07-31
  4. v1
    No changelog recorded for this version.2026-07-30

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.