Microsoft Defender for Office 365: Message Warnings for Messages with Malicious URL in Teams

Microsoft 365 Roadmap ID: 502879
Launched
Microsoft Defender for Office 365
Worldwide (Standard Multi-Tenant)
General Availability Preview
Android Desktop iOS Web
November 2025

Description

Messages in Teams that contain malicious URLs will now be automatically detected, and a warning will be displayed directly on the message.

Change History

Published: September 9, 2025
Last Updated: December 12, 2025
December 12, 2025 at 2:00 AM Updated
Status
Previous
Rolling out
New
Launched
Modified Date
Previous
2025-11-11T00:15:41.000Z
New
2025-12-12T00:15:16.000Z
November 11, 2025 at 2:01 AM Updated
Status
Previous
In development
New
Rolling out
Modified Date
Previous
2025-09-09T23:15:14.000Z
New
2025-11-11T00:15:41.000Z

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