Overview
The two-step authentication service was updated in December 2014 to offer more ways to authenticate. The method you currently use to authenticate will continue to work but you may want to use some of the new authentication methods.
When you log in to the Accounts app for the first time to review or change the method you currently use for your mobile phone or Google Authenticator, you will see a note that says your device can do more with Stanford's new two-step authentication.
For SMS Text Message the Two-Step Authentication Devices screen displays:
Click Set up this device to update your two-step authentication method.
For Google Authenticator, the Two-Step Authentication Devices screen displays:
Click Set up my device to update your two-step authentication method.
Additional methods available for your device
The following Device and Method table describes other methods that are now available for your device.
Device | current method you are using | Available methods | Data/call/Internet Access requirement |
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Smartphone |
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Tablet |
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Mobile Phone |
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Printed List (not recommended) |
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*International text messaging is available with a cost limit of $.20 per text message. If the text message rate is higher for an international area you are visiting, the text message method will not work. The recommended method for international two-step authentication is Duo Mobile Authenticator, Printed List, or Hardware Token (coming later in 2015).
How to get Duo Mobile on your smartphone or tablet
The latest version of two-step authentication supports using Duo Mobile for authentication on smartphones and tablets. Duo Mobile is a free app that you download from your platform's app store and then activate for Stanford's network. Duo Mobile provides two methods for authentication: push notification and passcode. Push notification is the easiest and quickest way to authenticate - simply tap a button on your device. The app also contains a passcode generator so you don't have to have cellular or internet access to authenticate (as you do with push notifications).
For instructions on how to install Duo Mobile, see Set up a Smartphone or Set up a Tablet.
Help and Resources
For help installing or configuring your two-step authentication, call the IT Service Desk at 5-HELP (650-725-4357) or submit a HelpSU request.