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Microsoft Teams admin policy adds approval-based control for third-party bots

Security Tool/Service
First reported
Last updated
Happening score
H score 11
1 unique sources, 2 articles

Summary

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Microsoft Teams introduced an admin policy that lets organizers prevent third-party bots from joining meetings without approval. The control improves visibility over external participants by detecting bots, placing them in the meeting lobby, and requiring confirmation before admission. The update reduces the risk of malicious apps or automated tools being abused for meeting access and social engineering.

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Microsoft Teams third-party bot approval controls for meeting social-engineering risk

Defensive Guidance
H score11 First: 30.06.2026 13:52 Last: 30.06.2026 13:52 Sources 1

How related: The policy gives organizations more control and visibility over external bots in their meetings, helping them identify bots more easily and adding safeguards designed to ensure that only the intended participants and tools can join.

About this happening: Microsoft Teams has added admin controls that block third-party bots without approval, reducing meeting social-engineering risk across managed tenants. The policy impr...

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Open Happening

Timeline

  1. 30.06.2026 13:52 3 articles · 15d ago

    Microsoft adds approval controls for third-party Teams bots

    Mitigation Patch Update

    Microsoft introduced a new Teams admin policy that blocks third-party bots from joining meetings without organizer approval. When enabled, Teams places detected bots in the meeting lobby, clearly identifies them, and prompts organizers to confirm admission, even in meetings where participants can bypass the lobby. The policy can be assigned to individual users or specific groups, and Microsoft is planning additional controls such as allow lists, blocking external bots entirely, and admin reports and audit logs. The feature was first announced in a March Microsoft 365 roadmap entry and was described for the Teams Admin Center on Monday.

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