Microsoft Purview: permissions audit log improvements

🚨 The Signal: Microsoft Purview will now log detailed permission checks for RBAC decisions. This improves transparency for administrators investigating access issues and understanding how access is granted within Purview.

The Impact

Microsoft Purview administrators gain better visibility into access decisions, reducing risk of undetected unauthorized access.

• Purview administrators: Enhanced audit logs for access troubleshooting.
• Security teams: Improved visibility into Purview RBAC decisions.
• Compliance officers: Better evidence for access control attestation.

The Action

1. Review existing Purview audit log review processes for new audit events.
2. Update incident response playbooks to incorporate new Purview RBAC audit data.
3. Communicate new audit capabilities to Purview and security operations teams.

Domain: Purview · Impact: low · Workload: Microsoft Purview · Essential Eight: Restrict Administrative Privileges · ISM: ISM-0445, ISM-1175, ISM-1380, ISM-1507, ISM-1508, ISM-1509, ISM-1647, ISM-1648, ISM-1650, ISM-1686, ISM-1688, ISM-1689, ISM-1883, ISM-1897, ISM-1898