Suspicious Account Lockout (via signinlogs)

title: Suspicious Account Lockout (via signinlogs)
id: cd933d7c-6390-5c60-b0a9-833dc738861e
status: stable
description: This rule detects user account which has been locked because the user tried to sign in too many times with an incorrect user ID or password.
references:
    - https://attack.mitre.org/techniques/T1110/
    - https://learn.microsoft.com/en-us/entra/architecture/security-operations-privileged-accounts
author: Huntrule Team
date: 2026-03-27
tags:
    - attack.credential-access
    - attack.t1110
logsource:
    product: azure
    service: signinlogs
detection:
    selection:
        ResultType: 50053
    condition: selection
falsepositives:
    - Unknown
level: medium