Breaking

Microsoft Teams Prepares Third-Party Deepfake Detection for Meetings

October 8, 2026 at 13:26 EDT

Security
Sales & Business

Microsoft is preparing Microsoft Teams to support synthetic audio and video detection in meetings, a new security layer aimed at spotting deepfake impersonation during live calls. The planned capability is listed for general availability in November 2026 and is paired with a separate Teams control for meeting impersonation protection, expanding the platform's defenses against social-engineering attacks that use real-time voice or video cloning.

November 2026 target · Microsoft Teams

Deepfake checks move into meetings

Teams is preparing to surface certified third-party synthetic audio and video detection during live calls, turning detection signals into meeting alerts and controls.

Nov. 2026

General-availability target

Planned Teams protections

1/min

Meaningful API updates per target user

Detection claims, shown to scale

Example provider benchmarks put known-engine accuracy near the top of a 100% scale, unseen-engine detection slightly lower, and false positives below 1%.

99%

Known voice engines

>90%

Unseen voice engines

<1%

False positives

How the signal enters a meeting

Certified provider

→

Trusted Teams bot

→

Synthetic-media report

→

Meeting alert

Why it helps

High-risk calls can gain visible warnings when synthetic audio or video is suspected, especially around interviews, approvals, vendor meetings, and payment decisions.

What still matters

Organizations still need to choose a provider, tune policies, manage false positives, and decide how people should act on an in-meeting warning.

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