Microsoft Teams will deploy artificial intelligence-powered phishing detection starting in early November 2026, with a targeted rollout expected to conclude by mid-November and worldwide availability projected for early to mid-December. The new security feature uses conversation context to identify phishing attempts, social engineering, impersonation, and deceptive behavior in messages, particularly in higher-risk scenarios such as external first-contact chats. The system analyzes suspicious patterns that may lack traditional warning signs like malicious links or files.
The phishing detection capability will activate automatically without requiring IT administrators to take action. Microsoft emphasized that the system analyzes conversation context without storing customer message content for model training or purposes beyond security protection. The feature will not be used for productivity enhancement, summarization, advertising, or user monitoring. This security update represents part of Microsoft’s broader effort to strengthen Teams security, following previous announcements regarding external user blocking, meeting protection policies, QR code blurring, and deepfake detection support.
Source: Read the full story at BleepingComputer
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