Custom Conditional Access authentication strengths
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Microsoft's commit message in MicrosoftDocs/entra-docs · commit 2131faf · +2 −2 lines · also on GitHub
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description: Learn how admins can create custom authentication strengths with advanced options for FIDO2 security keys and certificate-based authentication.
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ms.service: entra-id
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ms.subservice: authentication
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−ms.topic: article
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+ms.topic: conceptual
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ms.date: 03/04/2025
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ms.author: justinha
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author: inbarckms
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## Certificate-based authentication advanced options
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−In the [Authentication methods policy](how-to-certificate-based-authentication.md#step-3-configure-authentication-binding-policy), you can configure whether certificates are bound in the system to single-factor or multifactor authentication protection levels, based on the certificate issuer or policy OID. You can also require single-factor or multifactor authentication certificates for specific resources, based on Conditional Access authentication strength policy.
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+In the [Authentication methods policy](how-to-certificate-based-authentication.md#step-3-configure-an-authentication-binding-policy), you can configure whether certificates are bound in the system to single-factor or multifactor authentication protection levels, based on the certificate issuer or policy OID. You can also require single-factor or multifactor authentication certificates for specific resources, based on Conditional Access authentication strength policy.
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By using authentication strength advanced options, you can require a specific certificate issuer or policy OID to further restrict sign-ins to an application.
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