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HighMicrosoft Sentinel analytics

Privileged Accounts - Sign in Failure Spikes

Identifies spike in failed sign-ins from Privileged accounts. Privileged accounts list can be based on IdentityInfo UEBA table. Spike is determined based on Time series anomaly which will look at historical baseline…

Description

Identifies spike in failed sign-ins from Privileged accounts. Privileged accounts list can be based on IdentityInfo UEBA table. Spike is determined based on Time series anomaly which will look at historical baseline values. Ref : https://docs.microsoft.com/azure/active-directory/fundamentals/security-operations-privileged-accounts#things-to-monitor

Detection logic

Detection requirements

Platform
IaaSIdentity ProviderOffice SuiteSaaS

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

Log source product
azureactivedirectorybehavioranalytics
Log source service
aadnoninteractiveusersigninlogsidentityinfosigninlogs

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