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LowMicrosoft Sentinel analyticsMicrosoft Security Research

Failed logon attempts by valid accounts within 10 mins

Identifies when failed logon attempts are 20 or higher during a 10 minute period (2 failed logons per minute minimum) from valid account.

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
securityeventswindowsforwardedeventswindowssecurityevents
Log source service
securityeventwindowsevent

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