Microsoft Teams: External domains anomalies report [MC1219794]
Posted inMicrosoft Teams

Microsoft Teams: External domains anomalies report [MC1219794]

Message ID: MC1219794 [Introduction] To help admins detect unusual or potentially risky interactions with external organizations, Microsoft Teams is introducing the External domains anomalies report. This report analyzes cross-tenant communication patterns for your tenant and highlights sudden spikes or abnormal…
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Microsoft Defender for Office 365: Enable users to report suspicious Teams messages in Plan 1 [MC1219788]
Posted inMicrosoft Teams

Microsoft Defender for Office 365: Enable users to report suspicious Teams messages in Plan 1 [MC1219788]

Message ID: MC1219788 [Introduction] We’re expanding the ability for users to report suspicious Microsoft Teams messages to customers with Microsoft Defender for Office 365 Plan 1. Previously available only to Plan 2, this update helps security teams identify and investigate…
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Custom greetings in voice call authentication will retire on Feb 28, 2026 [MC1219798]
Posted inMicrosoft Entra

Custom greetings in voice call authentication will retire on Feb 28, 2026 [MC1219798]

Message ID: MC1219798 As communicated in MC1125485 and Configure Microsoft Entra multifactor authentication - Microsoft Entra ID | Microsoft Learn, we will retire the Custom greetings feature in Voice call authentication on February 28, 2026. This feature allowed organizations to…
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Brand impersonation protection for Teams Calling [MC1219793]
Posted inMicrosoft Teams

Brand impersonation protection for Teams Calling [MC1219793]

Message ID: MC1219793 [Introduction] Brand Impersonation Protection for Teams Calling adds proactive safeguards against fraudulent or deceptive external callers who attempt to appear as trusted organizations. This helps reduce social-engineering risks and improves tenant security when users receive first-contact external…
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