Outlook: Purview Data Loss Prevention support for Calendar Events in Outlook for Mac

🚨 The Signal: Outlook for Mac now supports Purview DLP for calendar events. This prevents sensitive information sharing in meeting details, aligning Mac compliance with other platforms and enhancing data protection.

The Impact

All Mac Outlook users are affected, reducing the risk of sensitive data exfiltration via calendar events.

• Mac users: Reduced risk of inadvertently sharing sensitive data in meeting invites.
• Security teams: Enhanced visibility and control over data exfiltration vectors on macOS.
• Compliance officers: Improved adherence to data protection policies and regulatory requirements.
• Admins: Potential for user support requests regarding DLP policy enforcement in Outlook for Mac.

The Action

1. Review existing Microsoft Purview DLP policies for 'Exchange email' conditions to ensure they cover calendar events as intended.
2. Communicate new DLP enforcement capabilities for Outlook for Mac to end-users and provide guidance on policy tips.
3. Monitor DLP incident reports for calendar events to identify potential training needs or policy adjustments.
4. Verify Outlook for Mac clients are updated to a version supporting this DLP functionality.

Domain: Purview · Impact: high · Workload: Microsoft Purview