In development
Microsoft Teams
Microsoft Defender for Office 365
Worldwide (Standard Multi-Tenant)
General Availability
Targeted Release
Desktop
Mac
Web
February 2026
Description
Microsoft Teams now includes a capability that lets users flag calls they believe are unusual or suspicious. When a call is reported, the signal helps Microsoft strengthen security measures and reduce future unwanted or malicious call activity. This feature empowers users to actively contribute to real-time threat detection, enhancing organizational safety.
Change History
December 17, 2025 at 12:41 AM
Updated
Product
Previous
Microsoft Teams
New
Microsoft Teams, Microsoft Defender for Office 365
Modified Date
Previous
2025-12-11T00:00:03.000Z
New
2025-12-17T00:15:13.000Z
December 11, 2025 at 2:00 AM
Updated
Platforms
Previous
Android, Desktop, iOS, Linux, Mac
New
Desktop, Mac, Web
Modified Date
Previous
2025-12-05T00:00:35.000Z
New
2025-12-11T00:00:03.000Z
December 5, 2025 at 2:00 AM
Updated
Release Date
Previous
March CY2026
New
February CY2026
Release Phase
Previous
General Availability
New
General Availability, Targeted Release
Modified Date
Previous
2025-12-04T00:00:38.000Z
New
2025-12-05T00:00:35.000Z
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