MC1045278 – Microsoft Purview | Data Loss Prevention: New data protection in Microsoft Edge for Business on unmanaged devices (archived)

Product:

Defender, Entra, Microsoft 365 suite, Microsoft Edge, Purview, Purview Communication Compliance, Purview compliance portal, Purview Data Loss Prevention, Windows

Platform:

Developer, Mac, Online, Web, Windows Desktop, World tenant

Status:

Launched

Change type:

Admin impact, New feature, Updated message, User impact

Links:

486366

Details:

Summary:
Microsoft Purview Data Loss Prevention will integrate with Microsoft Edge for Business on unmanaged Windows and Mac devices to protect data shared with Entra-managed cloud apps. Public preview starts late May 2025; general availability begins late August 2025. Admins can configure policies to block or audit sensitive data activities.

Details:
Updated August 13, 2025: We have updated the content. Thank you for your patience.
Coming soon: Microsoft Purview | Data Loss Prevention (DLP) will be integrated in the Microsoft Edge browser to offer DLP protections that apply directly in the Edge browser and target scenarios where users on unmanaged (or bring-your-own/BYO) Windows desktop devices and Mac desktop devices are sharing data to or exfiltrating data from organization-managed cloud apps (apps that use Microsoft Entra authentication for user sign-in).
This message is associated with Microsoft 365 Roadmap ID 486366.
[When this will happen:]
Public Preview: We will begin rolling out late May 2025 and expect to complete by mid-June 2025.
General Availability (Worldwide): We will begin rolling out late August 2025 (previously early June) and expect to complete by late September 2025 (previously late June).

Change Category:
XXXXXXX ... free basic plan only

Scope:
XXXXXXX ... free basic plan only

Release Phase:
General Availability, Preview

Created:
2025-04-01

updated:
2025-08-14

Public Preview Start Date

XXXXXXX ... free basic plan only

Task Type

XXXXXXX ... free basic plan only

Docu to Check

XXXXXXX ... free basic plan only

MS How does it affect me

XXXXXXX ... free basic plan only

MS Preperations

XXXXXXX ... free basic plan only

MS Urgency

XXXXXXX ... free basic plan only

MS workload name

XXXXXXX ... free basic plan only

linked item details

XXXXXXX ... free basic plan only

summary for non-techies**

XXXXXXX ... free basic plan only

Direct effects for Operations**

Data Security Risks
Without proper preparation, the integration of DLP in Edge may lead to unintentional data leaks or breaches as users may not be aware of the new policies, resulting in sensitive data being shared improperly.
   - roles: Security Admin, Edge Admin
   - references: https://learn.microsoft.com/defender-xdr/incidents-overview, https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=486366

User Experience Disruption
Users may experience interruptions in their workflow due to unexpected blocks or audits of their data activities, leading to frustration and decreased productivity.
   - roles: End User, IT Support
   - references: https://learn.microsoft.com/defender-xdr/incidents-overview, https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=486366

Compliance and Policy Confusion
The automatic rollout of new DLP features without prior communication may lead to confusion regarding compliance policies, as users may not understand the implications of the changes.
   - roles: Compliance Officer, Security Admin
   - references: https://learn.microsoft.com/defender-xdr/incidents-overview, https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=486366

Configutation Options**

XXXXXXX ... paid membership only

Opportunities**

Enhanced Data Security Policies
With the integration of Microsoft Purview DLP in Edge for Business, organizations can establish more robust data security policies that specifically target unmanaged devices. This allows for tailored controls over sensitive data sharing, enhancing overall data protection efforts.
   - next-steps: Assess current data protection policies and align them with the new DLP capabilities in Edge. Conduct training sessions for security and compliance teams to understand the new features and their configurations.
   - roles: Security Administrators, Compliance Officers, IT Managers
   - references: https://learn.microsoft.com/defender-xdr/incidents-overview, https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=486366

Improved User Experience with DLP
By implementing DLP policies directly in the Edge browser, users on unmanaged devices will experience fewer disruptions while accessing Entra-managed cloud apps. This seamless integration will allow for data protection without hindering user productivity.
   - next-steps: Communicate with end-users about the upcoming changes and provide guidelines on how to operate within the new DLP framework. Gather feedback post-implementation to assess user experience and make necessary adjustments.
   - roles: End Users, IT Support Staff, User Experience Designers
   - references: https://learn.microsoft.com/defender-xdr/incidents-overview, https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=486366

Streamlined Incident Investigation
The new DLP features will allow for improved visibility into data incidents through the Microsoft Defender portal. This will facilitate quicker incident response and investigation processes, thereby enhancing the overall security posture of the organization.
   - next-steps: Set up training for incident response teams on utilizing the Microsoft Defender portal effectively. Create a standard operating procedure for incident management that incorporates the new DLP insights.
   - roles: Incident Response Teams, Security Analysts, IT Administrators
   - references: https://learn.microsoft.com/defender-xdr/incidents-overview, https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=486366

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