Azure AD Only Single Factor Authentication Required

Title: Azure AD Only Single Factor Authentication Required
Status: test
Description:Detect when users are authenticating without MFA being required.
References:
  -https://learn.microsoft.com/en-gb/entra/architecture/security-operations-user-accounts
Author: MikeDuddington, '@dudders1'
Date: 2022-07-27
modified:None
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:
  -If this was approved by System Administrator.
Level: low