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Using OpenID Connect (OIDC) for external MFA in Entra ID

Feeds.4Sysops •IT Experts • March 26, 2026

Microsoft has introduced external Multi-Factor Authentication (MFA) as the new, fully integrated OpenID Connect (OIDC)-based way to connect third-party MFA providers, replacing the Custom Controls mechanism that previously enabled external MFA in a more limited way. Custom Controls will be deprecated on September 30, 2026. Source

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Microsoft Entra ID Enhances MFA Options for Organizations Microsoft has announced the general availability of external multifactor authentication (MFA) for Microsoft Entra ID, allowing organizations to integrate third-party MFA solutions. This feature is designed to help companies meet regulatory requirements, manage identity checks during mergers and acquisitions, and maintain a consistent MFA strategy. The implementation of MFA is reported to reduce the risk of account compromise by over 99%. The new option is crucial for organizations seeking to bolster their security posture against cyber threats. Microsoft aims to enhance user identity security through this update, which is now accessible to all Entra ID users. 3 sources 22

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Entra ID OpenID Connect