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mediumEntraMicrosoft Entra IDupdatem365_message_center · Oct 20, 2026
Microsoft Entra ID: Risk-based anti-bot verification (CAPTCHA) for SMS and voice authentication
Microsoft Entra ID is introducing risk-based anti-bot verification (CAPTCHA) for SMS and voice authentication to reduce automated abuse while maintaining these options. This update enhances security by adding an additional layer of verification during telephony-based authentication.
“Services: Microsoft Entra. <p>Updated October 26, 2026: We have updated the timeline. Thank you for your patience. </p><p><b>[What and why]</b></p><p>Microsoft Entra ID is adding safeguards to reduce automated abuse of telephony-based authentication. SMS and voice authentication options are not being removed. So…”
View original article →Identity
authenticationconditional_access
Security
threat_protectionidentity_security
Audience
adminsecurity_engineeridentity_architect
Environment
cloud
Ontology Topics
SC-300AZ-500
Classification confidence: 95%
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