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This authentication method provides the best user experience and multiple modes, such as passwordless, MFA push notifications, and OATH codes.

The following table outlines the security considerations for the available authentication methods. Where possible, use authentication methods with the highest level of security. Choose the methods that meet or exceed your requirements in terms of security, usability, and availability. When you deploy features like Azure AD Multi-Factor Authentication in your organization, review the available authentication methods. Authentication method strength and security Here's a video we created to help you choose the best authentication method to keep your organization safe. For more information, see Create a resilient access control management strategy in Azure AD. When one method isn't available for a user during sign-in or SSPR, they can choose to authenticate with another method.

For resiliency, we recommend that you require users to register multiple authentication methods. To simplify the user on-boarding experience and register for both MFA and self-service password reset (SSPR), we recommend you enable combined security information registration. The user can be prompted for additional forms of authentication, such as to respond to a push notification, enter a code from a software or hardware token, or respond to an SMS or phone call. Although a user can sign-in using other common methods such as a username and password, passwords should be replaced with more secure authentication methods.Īzure AD Multi-Factor Authentication (MFA) adds additional security over only using a password when a user signs in. Microsoft recommends passwordless authentication methods such as Windows Hello, FIDO2 security keys, and the Microsoft Authenticator app because they provide the most secure sign-in experience.