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mediumDefenderMicrosoft Defender XDRnew featurem365_message_center · Oct 30, 2026
Microsoft Defender XDR: Investigate suspicious Microsoft Teams calls and meetings with advanced hunting
Microsoft Defender XDR now includes the ability to investigate suspicious Microsoft Teams calls and meetings using advanced hunting capabilities, providing security teams with detailed insights into call activities, initiators, and associated organizations.
“Services: Microsoft Defender XDR. <p><b>[What and why]</b></p><p>When investigating a suspicious Microsoft Teams call or meeting, your security team needs to understand what happened, who initiated the activity, and the organization associated with the initiator.</p><p></p><p>The <code>CallActivityEvents</code> table…”
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threat_protectionendpoint_securitycloud_security
Audience
security_engineeradmin
Environment
cloud
Ontology Topics
MS-500SC-200
Classification confidence: 95%
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