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MediumMicrosoft Sentinel analytics

Red Sift - Login from previously unseen IP address

Detects a successful login from an IP address that has not been seen in the previous 14 days for that user, which may indicate compromised credentials or unauthorized access.

Detection logic

Detection requirements

Platform
ContainersESXiIaaSIdentity ProviderLinuxmacOSNetwork DevicesOffice SuiteSaaSWindows

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

Log source product
redsiftpush
Log source service
redsiftauth_cl

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