Microsoft 365 app: Overview Page in Copilot Notebooks

🚨 The Signal: Copilot Notebooks will now feature an overview page summarizing content and insights. This centralizes AI-generated summaries, increasing data exposure risk if not properly governed.

The Impact

All users interacting with Copilot Notebooks are affected, increasing the risk of inadvertent data exposure through AI-generated summaries.

• End users: Increased risk of oversharing summarized sensitive data.
• Security teams: New data flow to monitor for compliance and DLP.
• Data owners: Potential for sensitive information to be summarized and exposed.
• Compliance officers: New audit trail for AI-generated content.

The Action

1. Review existing Microsoft Purview DLP policies for Copilot interactions.
2. Educate users on responsible use of Copilot Notebooks and data sensitivity.
3. Monitor Microsoft 365 audit logs for Copilot Notebook activity.
4. Assess Copilot data residency and processing locations for compliance.

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