Microsoft Purview: Data Loss Prevention to restrict processing external emails in Microsoft 365 Copilot and Copilot Chat

We are expanding Microsoft Purview DLP for Microsoft 365 Copilot and Copilot Chat to safeguard risks from external emails. This real-time control helps organizations mitigate data risks by preventing Microsoft 365 Copilot and Chat from processing emails from senders external to your organization.

Affected: Microsoft Purview

Related changes

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• Microsoft Purview: Data Loss Prevention – Block External Domain/User action in DLP for SharePoint/OneDrive · Data
• Microsoft Purview: Data Security Triage Agent in Data Loss Prevention - Reasoning Trace and Confidence Score for agent-triaged alerts · Data
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• Microsoft Purview: Data Loss Prevention - Data Security Triage Agent summaries and categorizations for DLP alerts will be made available in DLP Alerts in Microsoft Defender XDR · Data

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