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HighSigmaHQ Mark Morowczynski '@markmorow' +2

Password Spray Activity

Indicates that a password spray attack has been successfully performed.

Detection logic

Detection requirements

Platform: Containers ESXi IaaS Identity Provider Linux macOS Network Devices Office Suite SaaS Windows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
Log source product: azure
Log source service: riskdetection

Known benign triggers

We recommend investigating the sessions flagged by this detection in the context of other sign-ins from the user.

References

Links the source published beside this detection. Reference is the link the source wrote, unmodified. Class is decided by this catalogue from the host and path, not stated by the source. Cited by counts published detections citing the same resource, including this one, and the sources beneath it count the repositories this catalogue ingests, which is not the same as independent research.
Reference	Class	Cited by
learn.microsoft.com/en-us/entra/architecture/security-operations-user-accounts#unusual-sign-ins	Product documentation	19
learn.microsoft.com/en-us/entra/id-protection/concept-identity-protection-risks#password-spray	Product documentation	22from 2 sources

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