Microsoft Purview: Data Loss Prevention for Microsoft 365 Copilot to safeguard prompts
We are expanding Microsoft Purview Data Loss Prevention for Microsoft 365 Copilot to safeguard prompts containing sensitive data. This real-time control helps organizations mitigate data leakage and oversharing risks by preventing Microsoft 365 Copilot, including pre-built agents in Microsoft 365 Copilot, from returning a response when prompts contain sensitive data or using that sensitive data for grounding in Microsoft 365 or the web. Product Release phase General Availability Release date March CY2026Preview date: November CY2025 Platform Web Cloud Instance Worldwide (Standard Multi-Tenant) Created 2025-10-16 Roadmap ID 515945 Roadmap Link https://www.microsoft.com/microsoft-365/roadmap?id=515945
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