Microsoft Copilot (Microsoft 365): Your AI assistant in the DoD environment

🚨 The Signal: Microsoft 365 Copilot is now available in the DoD cloud environment. This introduces advanced AI capabilities for content generation and summarization, leveraging Microsoft Graph data, which significantly alters data interaction and potential exposure.

The Impact

All users and security teams are affected by new AI-driven data access, increasing the risk of data overexposure and compliance drift.

• End users: Risk of unintentional data exposure through AI-generated content.
• Security teams: Increased complexity in monitoring data access and usage.
• Compliance officers: New challenges in maintaining data sovereignty and regulatory adherence.
• Administrators: Need to re-evaluate data access policies for AI interactions.

The Action

1. Review and update data classification and labeling policies in Microsoft Purview to ensure Copilot respects sensitivity.
2. Implement or refine Microsoft Purview Data Loss Prevention (DLP) policies to prevent sensitive data exfiltration via Copilot outputs.
3. Educate users on responsible AI usage, data sensitivity, and prompt engineering best practices.
4. Monitor Copilot usage and data interactions through Microsoft Purview Audit and Microsoft Defender for Cloud Apps.
5. Review Entra ID Conditional Access policies to ensure appropriate access controls for Copilot applications.

Domain: Agentic-AI · Impact: high · Workload: M365 Apps