Microsoft Teams External Domains Anomalies Report rollout for suspicious external-domain traffic
Security Tool/Service
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Microsoft Teams is introducing External Domains Anomalies Report, a security feature that flags suspicious external-domain traffic so admins can spot potential data-sharing or security threats without disrupting legitimate communications. The report will analyze messaging trends for sharp spikes, new domains, and abnormal engagement patterns, giving defenders earlier visibility into risky interactions. Microsoft says the feature will begin rolling out worldwide in February 2026 for standard multi-tenant environments on the web platform.
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Timeline
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10.12.2025 21:32 2 articles · 5mo ago
Microsoft Teams plans External Domains Anomalies Report
Initial DisclosureMicrosoft is developing Microsoft Teams' External Domains Anomalies Report to analyze suspicious traffic with external domains, flagging sudden spikes, new domains, and abnormal engagement patterns so IT administrators can spot possible data-sharing or security threats without disrupting legitimate business communications. Microsoft says the feature will begin rolling out worldwide in February 2026 to standard multi-tenant environments on the web platform.
Show sources
- Microsoft Teams to warn of suspicious traffic with external domains — www.bleepingcomputer.com — 10.12.2025 21:32
- Microsoft Teams to warn of suspicious traffic with external domains — www.bleepingcomputer.com — 10.12.2025 21:32