RM575288 - Microsoft Teams: Phishing Detection in Teams Messaging

Microsoft 365 Roadmap

Summary

Microsoft Teams is introducing AI-powered phishing detection that uses conversation context to identify phishing and social engineering in higher-risk messaging scenarios, primarily external first-contact chats. Additional protection may apply in certain regions or scenarios. The capability is used only for security protection, and users may see warnings when suspicious activity is detected.

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Published

Oct 14, 2026

Status

In development

Release

General Availability
Targeted Release

Platforms

Android
Desktop
iOS
Mac
Web

Service

Microsoft Teams

Tag

In development
General Availability
Targeted Release
Worldwide (Standard Multi-Tenant)

Cloud

Worldwide (Standard Multi-Tenant)

Description

Microsoft Teams is introducing AI-powered phishing detection that uses conversation context to identify phishing and social engineering in higher-risk messaging scenarios, primarily external first-contact chats. Additional protection may apply in certain regions or scenarios. The capability is used only for security protection, and users may see warnings when suspicious activity is detected.

GA date: November CY2026