Possible Azure AD Only Single Factor Authentication Required (via signinlogs)

title: Possible Azure AD Only Single Factor Authentication Required (via signinlogs)
id: cb5dee24-3287-516c-a7cd-29331722c185
status: stable
description: This rule detects when users are authenticating without MFA being required.
references:
    - https://attack.mitre.org/techniques/T1556/006/
    - https://attack.mitre.org/techniques/T1078/004/
    - https://learn.microsoft.com/en-gb/entra/architecture/security-operations-user-accounts
author: Huntrule Team
date: 2026-04-20
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.initial-access
    - attack.credential-access
    - attack.stealth
    - attack.defense-impairment
    - attack.t1078.004
    - attack.t1556.006
logsource:
    product: azure
    service: signinlogs
detection:
    selection:
        Status: 'Success'
        AuthenticationRequirement: 'singleFactorAuthentication'
    condition: selection
falsepositives:
    - Unknown
level: low