CA Policy Removed by Non Approved Actor

 Original Source: [Sigma source]
Title: CA Policy Removed by Non Approved Actor
Status: test
Description:Monitor and alert on conditional access changes where non approved actor removed CA Policy.
References:
  -https://learn.microsoft.com/en-us/entra/architecture/security-operations-infrastructure#conditional-access
Author: Corissa Koopmans, '@corissalea'
Date: 2022-07-19
modified:None
Tags:
  • -'attack.privilege-escalation'
  • -'attack.credential-access'
  • -'attack.persistence'
  • -'attack.defense-impairment'
  • -'attack.t1548'
  • -'attack.t1556'
Logsource:
  • product: azure
  • service: auditlogs
Detection:
  selection:
    properties.message: 'Delete conditional access policy'
  condition:selection
Falsepositives:
  -Misconfigured role permissions
  -Verify whether the user identity, user agent, and/or hostname should be making changes in your environment.
Level: medium