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The public catalogue of detection rules. Every entry carries its source, the identifier it had there, its licence and its ATT&CK mapping.

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MediumΣSigmaHQ

Data Exfiltration to Unsanctioned Apps

Detects when a Microsoft Cloud App Security reported when a user or IP address uses an app that is not sanctioned to perform an activity that resembles an attempt to exfiltrate information from your organization.

ATT&CK coverage

Outside the enterprise matrix

T1537Transfer Data to Cloud Account 29 detections cover this technique

Detection requirements

Log source product: m365
Log source service: threat_management

Detection logic

Published to signed-in readers

The query as its source wrote it, its canonical form, and the content hash that pins this exact revision.

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Provenance

Where this detection came from, and what you may do with it.

At source: Open at source
Written by: Austin Songer @austinsonger
Licence: Detection Rule License 1.1Read the licence
Published: Aug 26, 2026
Version: 1

See also

3,144 from SigmaHQ 3,618 rated medium