Suspicious CA Policy Updated by Non Approved Actor (via auditlogs)

title: Suspicious CA Policy Updated by Non Approved Actor (via auditlogs)
id: 3c3dcf5c-1bc2-529d-9756-4702ca78292d
status: stable
description: This rule detects conditional access changes. Is Initiated by (actor) approved to make changes? Review Modified Properties and compare "old" vs "new" value.
references:
    - https://attack.mitre.org/techniques/T1556/
    - https://attack.mitre.org/techniques/T1548/
    - https://learn.microsoft.com/en-us/entra/architecture/security-operations-infrastructure#conditional-access
author: Huntrule Team
date: 2026-03-24
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: Update conditional access policy
    condition: selection
falsepositives:
    - Unknown
level: medium