Topic: external user blocking
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Microsoft Teams Admins Can Now Block External Users via Defender
Microsoft Teams is introducing a centralized security feature in early 2026, allowing administrators to block external users from contacting employees via messages, calls, or meetings through integration with Microsoft Defender for Office 365. To use the feature, admins must enable specific setti...
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Microsoft boosts Teams meetings with smarter bot protection
Microsoft has launched a new Teams admin policy that automatically detects and blocks unauthorized third-party bots from joining meetings, requiring all bots to be approved by organizers even in meetings where participants can bypass the lobby. The policy, now available across major platforms and...
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Microsoft Teams Adds Feature to Report Suspicious Calls
Microsoft Teams is launching a "Report a Call" feature in mid-March to let users directly flag suspicious voice calls, providing organizations with visibility into phishing and scam attempts. The feature will be enabled by default and accessible from call history, with reported metadata sent to t...
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