548671 – Microsoft Purview: Data Loss Prevention- Data Loss Prevention to safeguard sensitive web search in Microsoft 356 Copilot and Copilot Chat

Product:

Copilot, Microsoft 365 Copilot, Purview, Purview Communication Compliance, Purview Data Loss Prevention

Platform:

Web, World tenant

Status:

In development

Change type:

Links:

Details:

We are expanding Microsoft Purview DLP for Microsoft 365 Copilot and Copilot Chat to safeguard web searches containing sensitive data. This real-time control helps organizations mitigate data leakage and oversharing risks by preventing Microsoft 365 Copilot and agents from using sensitive data for external web search. This capability currently extends to Microsoft 365 Copilot and agents built in Copilot Studio that are published to Microsoft 365 Copilot.

Change Category:
XXXXXXX ... free basic plan only

Scope:
XXXXXXX ... free basic plan only

Release Phase:
General Availability, Preview

Created:
2026-02-26

updated:
2026-02-26

Public Preview Start Date

XXXXXXX ... free basic plan only

Docu to Check

XXXXXXX ... free basic plan only

MS workload name

XXXXXXX ... free basic plan only

summary for non-techies**

Microsoft Purview's Data Loss Prevention (DLP) has been expanded to Microsoft 365 Copilot and Copilot Chat to prevent sensitive information from being inadvertently shared during web searches, ensuring data remains secure within the organization.

Direct effects for Operations**

Data Leakage Risk
Without proper preparation, the implementation of DLP may lead to unintentional data leakage if users are not trained on new protocols, resulting in sensitive information being exposed during web searches.
   - roles: Data Protection Officer, IT Support Specialist
   - references: https://www.microsoft.com/en-us/security/blog/2021/06/15/understanding-data-loss-prevention-dlp-in-microsoft-365" target="_blank" rel="nofollow noopener noreferrer">https://www.microsoft.com/en-us/security/blog/2021/06/15/understanding-data-loss-prevention-dlp-in-microsoft-365/, https://techcommunity.microsoft.com/t5/security-compliance-identity/understanding-data-loss-prevention-in-microsoft-365/ba-p/1951230

User Experience Disruption
If users are not informed about the changes in DLP policies, they may experience disruptions in their workflow, leading to frustration and decreased productivity when attempting to perform web searches.
   - roles: End User, Team Manager
   - references: https://www.forbes.com/sites/bernardmarr/2021/06/14/the-importance-of-user-experience-in-data-protection/?sh=5c1b1c5e1c3b, https://www.microsoft.com/en-us/security/blog/2021/06/15/understanding-data-loss-prevention-dlp-in-microsoft-365" target="_blank" rel="nofollow noopener noreferrer">https://www.microsoft.com/en-us/security/blog/2021/06/15/understanding-data-loss-prevention-dlp-in-microsoft-365/

Compliance Issues
Failure to prepare for the DLP changes may result in non-compliance with data protection regulations, leading to potential legal ramifications and fines for the organization.
   - roles: Compliance Officer, Legal Advisor
   - references: https://www.eugdpr.org/, https://www.microsoft.com/en-us/security/blog/2021/06/15/understanding-data-loss-prevention-dlp-in-microsoft-365" target="_blank" rel="nofollow noopener noreferrer">https://www.microsoft.com/en-us/security/blog/2021/06/15/understanding-data-loss-prevention-dlp-in-microsoft-365/

Configutation Options**

XXXXXXX ... paid membership only

Opportunities**

XXXXXXX ... free basic plan only

Potentional Risks**

XXXXXXX ... paid membership only

Data Protection**

XXXXXXX ... paid membership only

IT Security**

XXXXXXX ... paid membership only

Hypothetical Work Council Statement**

XXXXXXX ... paid membership only

DPIA Draft**

XXXXXXX ... paid membership only

explanation for non-techies**

XXXXXXX ... free basic plan only