Microsoft 365 Message Center ArchiveM365 Archive
Microsoft 365 Roadmap

RM515945Microsoft Purview: Data Loss Prevention for Microsoft 365 Copilot to safeguard prompts

Summary

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.

Description

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.

GA date: March CY2026

Preview date: November CY2025

Version history

2 versions tracked

Updated 1 time since Mar 31, 2026. Microsoft 365 Message Center only shows the current version; this archive preserves tracked history.

Compare latest to previous (v1)

Compare any two versions

From
To
  1. May 14, 2026 - 11:15 PMLatest - v2

    Changed: Tags, Status

  2. Mar 31, 2026 - 11:15 PMOriginal - v1

    Changed: Initial version

    View this versionCompare to latest