Microsoft Purview: Data Loss Prevention for Microsoft 365 Copilot to safeguard prompts

Originally posted by Microsoft Oct 21, 2025 Uncategorized 0 Comments

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 CY2026
Preview 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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Joao Ferreira

I've been working with Microsoft Technologies over the last ten years, mainly focused on creating collaboration and productivity solutions that drive the adoption of Microsoft Modern Workplace.

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