Home Forums Middle School Mathematics Education How it works: Azure AD Multi-Factor Authentication

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      Rachel Gomez

      <p>Microsoft Azure MFA is a process in which users are prompted during the sign-in process for an additional form of identification, such as a code on their cellphone or a fingerprint scan.</p><p>If you only use a password to authenticate a user, it leaves an insecure vector for attack. If the password is weak or has been exposed elsewhere, an attacker could be using it to gain access. When you require a second form of authentication, security is increased because this additional factor isn’t something that’s easy for an attacker to obtain or duplicate.</p><p>Azure AD Multi-Factor Authentication works by requiring two or more of the following authentication methods:</p><p>Something you know, typically a password.<br />Something you have, such as a trusted device that’s not easily duplicated, like a phone or hardware key.<br />Something you are – biometrics like a fingerprint or face scan.<br />Azure AD Multi-Factor Authentication can also further secure password reset. When users register themselves for Azure AD Multi-Factor Authentication, they can also register for self-service password reset in one step. Administrators can choose forms of secondary authentication and configure challenges for MFA based on configuration decisions.</p><p>You don’t need to change apps and services to use Azure AD Multi-Factor Authentication. The verification prompts are part of the Azure AD sign-in, which automatically requests and processes the MFA challenge when needed.</p><p>How to enable and use Azure AD Multi-Factor Authentication</p><p><br />You can use security defaults in Azure AD tenants to quickly enable Microsoft Authenticator for all users. You can enable Azure AD Multi-Factor Authentication to prompt users and groups for additional verification during sign-in.</p><p>For more granular controls, you can use Conditional Access policies to define events or applications that require MFA. These policies can allow regular sign-in when the user is on the corporate network or a registered device but prompt for additional verification factors when the user is remote or on a personal device.</p>

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