Microsoft Announces Multi-Factor Authentication For Office 365 Customers

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Office 365 authentication

Microsoft today announced the availability of multi-factor authentication for Office 365 to Office 365 Midsize Business, Enterprise plans, Academic plans, Nonprofit plans, and standalone Office 365 plans, including Exchange Online and SharePoint Online customers. This will enable organizations with these subscriptions to enable multi-factor authentication for their Office 365 users without requiring any additional purchase or subscription. Multi-factor authentication adds an extra layer of security to protect Office 365 customers.

Multi-factor authentication increases the security of user logins for cloud services above and beyond just a password. With Multi-Factor Authentication for Office 365, users are required to acknowledge a phone call, text message, or an app notification on their smartphone after correctly entering their password. Only after this second authentication factor has been satisfied can a user sign in.

Any of the following may be used for the second factor of authentication.

  1. Call my mobile phone. The user receives a phone call that asks them to press the pound key. Once the pound key is pressed, the user is logged in.
  2. Text code to my mobile phone. The user receives a text message containing a six-digit code that they must enter into the portal.
  3. Call my office phone. This is the same as Call my mobile phone, but it enables the user to select a different phone if they do not have their mobile phone with them.
  4. Notify me through app. The user configured a smartphone app and they receive a notification in the app that they must confirm the login. Smartphone apps are available for Windows Phone, iPhone, and Android devices.
  5. Show one-time code in app. The same smartphone app is used. Instead of receiving a notification, the user starts the app and enters the six-digit code from the app into the portal.

Read about it in detail from Office blog.



About Author

Pradeep, a Computer Science & Engineering graduate.

  • Nham Thien Duong

    These are great improvements, most of my business-friends have been telling me about wanting this kind of security for years, thank you Microsoft, you never seem to fail at consumer satisfaction. :-D

  • Vandrey Trindade

    Yes, nice security feature.
    But when I tried to add the security verification using the QR code within the Authenticator app on Windows Phone it gave me an error.
    And the fields that they show in the website didn’t worked either…