Entra Multi-Factor Authentication
The Entra MFA service, formerlyAzure Multi-Factor Authentication, also known as MFA or 2FA, protects access to your data and applications, and meets user demand for a simple login process. It provides strong authentication through a range of simple verification options (phone call, SMS or mobile app notification and one-time passwords) to enable users to choose their preferred method. It is suitable for both local and cloud environments. It provides enhanced security when accessing Microsoft Online Services, as well as SaaS applications connected to Azure Active Directory , business and remote access applications.
Operation
The security of two-step verification lies in its layered approach. Compromising multiple authentication factors presents a significant challenge to attackers. Even if an attacker succeeds in knowing the user's password, it is useless to him without the additional authentication method. The principle works by imposing at least two of the following authentication methods:
Something you know
usually a password
Something that is particularly relevant to you
biometrics
Something you have
a trusted device that is not easily duplicated, such as a telephone
Entra Multi-Factor Authentication (MFA) helps secure access to data and applications, while keeping management simple for users. MFA provides additional security by requiring a second form of authentication, and provides enhanced authentication through a range of easy-to-use authentication methods.
Authentication method
AD The Entra ID / Azure self-service password reset and multi-factor authentication features may require additional information, known as authentication methods or security information, to verify your identity when using the associated features.
Administrators can define the authentication methods available to users with the multi-factor authentication and self-service password reset features in the policy. Some authentication methods may not be available for all features.
Microsoft billing model
Entra Multi-Factor Authentication is available as a stand-alone service with billing options per user and per authentication, or bundled with Entra ID / AAD, Enterprise Mobility Suite and Enterprise Cloud Suite. Entra MFA is available through a Microsoft Enterprise Contract, the Open volume licensing program, the Solution Provider program cloud and Direct, as an annual user-based model. It is also available with a per-authentication, per-user consumption-based model, which is billed monthly on the Azure financial commitment.
Per user based on consumption
By authentication according to consumption
Annual model per user
Annual model per user
References
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