Windows Azure Multi-Factor Authentication is the multi-factor authentication service that requires users to verify sign-ins using a mobile app, phone call, or text message.

Windows Azure Multi-Factor Authentication Overview (http://technet.microsoft.com/en-us/library/dn249471.aspx) provides a general overview of Multi-Factor Authentication and specific information on:

  • Adding Multi-Factor Authentication to Windows Azure Active Directory
  • Enabling Multi-Factor Authentication for On-Premises Applications and Windows Server
  • Building Multi-Factor Authentication into Custom Apps (Using the SDK)

 

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