Microsoft adds deepfake detection to Teams in November 2026
Microsoft is set to launch two new security features in Microsoft Teams in November 2026 to combat AI-driven impersonation attacks. The first feature enables third-party platforms to analyze meeting media for signs of synthetic audio or video, sending detection signals directly to Teams. The second feature displays warnings and risk indicators to users when a participant’s identity appears…
Key points
- Microsoft adds third-party deepfake detection and identity warnings to Teams in November 2026.
- Microsoft reports a near 10x increase in weekly malicious Teams voice call attempts in one year.
- Voice phishing attempts on Teams increased by 80% according to a July 2026 report.
These updates respond to a significant rise in malicious activity on the platform. In a July 2026 report, Microsoft noted a near 10x increase in weekly malicious Teams voice call attempts over the past year, alongside an 80% rise in voice phishing attempts. While the specific third-party partners for deepfake detection have not yet been announced, the company aims to integrate these controls directly into the meeting experience.
Microsoft has previously introduced other security measures, such as file extension blocking, and reports a 92% reduction in phishing activity linked to the Tycoon2FA platform over the last year. The upcoming roadmap includes further security updates and new features, reflecting the company’s ongoing effort to secure its communication tools against evolving AI threats.
AI deepfakes are getting out of hand.
techradar.com · 9 October 2026
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