Understanding Azure Multi-Factor Authentication

Azure Multi-Factor Authentication (MFA) is a hosted Azure service that can provide two-factor authentication to enterprise applications and services, minimizing the risks of users using poor passwords. Azure MFA is licensed using a subscription model: per user or per authentication. The service relies heavily on Azure AD (AAD), even if used on-premises. The number of applications that can take advantage of the service today are very limited but are likely to expand over the coming years.

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