• Microsoft is adding impersonation and deepfake detection to Teams in November 2026
• A third-party platform will be behind detecting AI-generated video and audio
• Attackers are still targeting voice phishing on Teams

Microsoft is adding two new security features to Teams designed to combat increasingly sophisticated impersonation attacks in an AI-first era.

First and foremost, Microsoft is opening up its platform to enable third-party deepfake detection in the hope of stamping out AI-generated video and audio.

The second of two important security features coming to the video conferencing platform warns users when meeting participants could be misrepresenting their identities to hopefully help participants validate their authenticity.

"Third-party detection solutions analyze meeting media for signs of synthetic or manipulated audio and video and send detection signals to Teams, enabling integrated in-meeting experiences and controls," the company wrote in a roadmap entry.

"When Teams detects a potential impersonation attempt, it surfaces warnings and risk indicators to help users recognize suspicious identities," another entry added.

While both are slated for a November 2026 launch, the finer details including which third-party platforms can support deepfake detection aren't yet public.

What we do know, though, is that Teams has become a hotspot for impersonation attacks, and AI has made it easier for criminals to exploit vulnerabilities. Microsoft has already been on a roll introducing other features like file extension blocking.

And the problem is very real – in a July 2026 report, Microsoft revealed a near 10x increase in weekly malicious Teams voice call attempts in just one year, and an 80% increase in voice phishing attempts.

Still, meaningful progress has been achieved and the company managed to cut phishing activity related to Tycoon2FA, a major phishing-as-a-service platform, by 92% in a year. Looking ahead, the company's roadmap is full of plenty of other Teams announcements, split into some new features and plenty more security updates.

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With several years’ experience freelancing in tech and automotive circles, Craig’s specific interests lie in technology that is designed to better our lives, including AI and ML, productivity aids, and smart fitness. He is also passionate about cars and the decarbonisation of personal transportation. As an avid bargain-hunter, you can be sure that any deal Craig finds is top value!