Top Microsoft Teams Senders Removed by Zero-Hour Auto Purge

This query ranks Microsoft Teams senders by how many of their messages were removed after delivery by zero-hour auto purge, split by malware and phish.

Detection logic

Detection requirements

Platform: Identity Provider Linux macOS Office Suite SaaS Windows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
Log source product: microsoftthreatprotection
Log source service: messagepostdeliveryevents

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Detection rules

Top Microsoft Teams Senders Removed by Zero-Hour Auto Purge

Detection logic

Detection requirements

MITRE ATT&CK mappings

From the source

Licence

Authorship

Detection rules