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MediumMicrosoft Sentinel analytics

Valimail Enforce - Unusual Rate of Configuration Changes or User Additions

This query searches for a single user performing more than 3 configuration changes or user additions within a 1-hour window on any domain. An unusual burst of changes may indicate a compromised admin account,…

Description

This query searches for a single user performing more than 3 configuration changes or user additions within a 1-hour window on any domain. An unusual burst of changes may indicate a compromised admin account, unauthorized automation, or insider threat.

Detection logic

Detection requirements

Platform
ContainersESXiIaaSIdentity ProviderLinuxmacOSNetwork DevicesOffice SuiteSaaSWindows

The rule states no platform. This is derived from the 3 ATT&CK techniques it maps to.

Log source product
valimailenforce
Log source service
valimailenforceevents_cl

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