Skip to main content
🦉
Message CenterMicrosoft 365 Updates
HomePermissionsTenant FinderPortfolio
🦉
M365 Message Centerby Cengiz YILMAZ

Track the latest updates, features, and announcements for Microsoft 365 services. Comprehensive archive of service updates and important changes.

Quick Links

HomePermissionsTenant FinderPortfolio

Connect

© 2026 M365 Message Center. Created with ❤ by Cengiz YILMAZ

Data sourced from Microsoft 365 Message Center • Not affiliated with Microsoft

  1. Home
  2. /
  3. MC1251207

Microsoft Secure Score: New recommendations for Microsoft Defender for Endpoint

Informational

Message ID

MC1251207
View in Admin Center

Services

Microsoft Defender XDR

Summary

New Microsoft Secure Score recommendations for Microsoft Defender for Endpoint will roll out in public preview from late February to mid-March 2026. They include SMB server hardening and blocking file transfer over RDP. Recommendations are off by default and require admin action to enable.

Details

Introduction

We’re adding new Microsoft Secure Score recommendations for Microsoft Defender for Endpoint (MDE) to help your organization strengthen endpoint security and proactively reduce exposure to common attack techniques. These recommendations support more robust security baselines and help you assess and improve protection across your devices.

When this will happen

  • Public Preview: Rollout began at the end of February 2026 and is expected to complete by mid‑March 2026.

How this will affect your organization

Who is affected

  • Admins who manage Microsoft Defender for Endpoint and Microsoft Secure Score.

What will happen

Customers in Public Preview will see the following new Microsoft Secure Score recommendations:

  • SMB server security hardening against authentication relay attacks:

     user settings

  • Block file transfer over Remote Desktop Protocol (RDP):

     user settings

As these recommendations become available:

  • Secure Score will update based on your organization’s implementation of the recommended actions.
  • No changes will be made to your existing configurations unless you choose to enable the recommended settings.
  • These recommendations are off by default and require admin action to adopt.

What you can do to prepare

  • Review the new recommendations in Microsoft Secure Score as they become available.
  • Complete the recommended actions to strengthen your endpoint security posture.
  • Communicate these changes to your security and endpoint management teams.
  • Update internal documentation if you track Secure Score or MDE configuration standards.
  • Learn more: Microsoft Secure Score | Microsoft Defender XDR | Microsoft Defender | Microsoft Learn

Compliance considerations

No compliance considerations identified. Review as appropriate for your organization.

Timeline

Published
Mar 13, 2026
Message published to Message Center
Updated
Mar 13, 2026
Message content updated
End Date
Apr 16, 2026
Message timeline ends

Tags

#Feature update#User impact#Admin impact

Category

Stay Informed

Related Messages

Similar updates

MC1230458

March 2026 Secure Score category update

Feb 10, 2026
MC1217650

Microsoft Defender for Cloud Apps – Improvements to Microsoft 365 connector configuration page

Jan 14, 2026
MC1237728

Advanced Hunting: new actions to block attachments and top-level URL domains

Feb 23, 2026
MC1166867

Microsoft Defender for Office 365: Enhancing the quarantine email preview experience

Oct 6, 2025
MC1171845

Microsoft Defender for Office 365: Enhancing the quarantine experience for administrators

Oct 13, 2025