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

Vendor: Microsoft
Product: Microsoft 365, Microsoft 365 Copilot
Type: Availability
Announcement date: 2026-05-11
Effective date: Date not published
Impact: Affected

In brief

What the source says

We are expanding Microsoft Purview DLP 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 and Copilot Chat from returning a response when prompts contain sensitive data or using that sensitive data for grounding in Microsoft 365 or the web. GA date: June CY2026 Launched General Availability GCC GCC High DoD Microsoft Purview Web

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Who is affected: The audience described by the Microsoft update is represented by: Microsoft Purview: Data Loss Prevention for Microsoft 365 Copilot to safeguard prompts for government clouds We are expanding Microsoft Purview DLP 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 and Copilot Chat from returning a response when prompts contain sensitive data or using that sensitive data for grounding in Microsoft 365 or the web. GA d

Why it matters: The change matters because the official source describes: Microsoft Purview: Data Loss Prevention for Microsoft 365 Copilot to safeguard prompts for government clouds We are expanding Microsoft Purview DLP 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 and Copilot Chat from returning a response when prompts contain sensitive data or using that sensitive data for grounding in Microsoft 365 or the web. GA d

Urgency: Monitor

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Raw capture
2026-08-29T09:22:49.319599+00:00
Event
Microsoft Purview: Data Loss Prevention for Microsoft 365 Copilot to safeguard prompts for government clouds We are expanding Microsoft Purview DLP 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 and Copilot Chat from returning a response when prompts contain sensitive data or using that sensitive data for grounding in Microsoft 365 or the web. GA date: June CY2026 Launched General Availability GCC GCC High DoD Microsoft Purview Web
source
Product Microsoft 365
Microsoft Purview: Data Loss Prevention for Microsoft 365 Copilot to safeguard prompts for government clouds We are expanding Microsoft Purview DLP 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 and Copilot Chat from returning a response when prompts contain sensitive data or using that sensitive data for grounding in Microsoft 365 or the web. GA date: June CY2026 Launched General Availability GCC GCC High DoD Microsoft Purview Web
source
Product Microsoft 365 Copilot
Microsoft Purview: Data Loss Prevention for Microsoft 365 Copilot to safeguard prompts for government clouds We are expanding Microsoft Purview DLP 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 and Copilot Chat from returning a response when prompts contain sensitive data or using that sensitive data for grounding in Microsoft 365 or the web. GA date: June CY2026 Launched General Availability GCC GCC High DoD Microsoft Purview Web
source
Insight a salesperson
Microsoft Purview: Data Loss Prevention for Microsoft 365 Copilot to safeguard prompts for government clouds We are expanding Microsoft Purview DLP 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 and Copilot Chat from returning a response when prompts contain sensitive data or using that sensitive data for grounding in Microsoft 365 or the web. GA date: June CY2026 Launched General Availability GCC GCC High DoD Microsoft Purview Web
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