Can I use 2FA without racking up data or messaging costs on my mobile device?

DUO Passcode authentication, described below, is only applicable for individuals with an approved DUO Exception Request from the Office of Information Security. Please see Can I Still Use Passcode Authentication for more information.

Yes. Open the Duo app on your smartphone or tablet and select the Duo key icon in the upper right-hand corner of the screen to generate a passcode. Generating passcodes does not send any kind of message or use data and you can generate passcodes even when you are not connected to a network. Using Duo to generate passcodes will not incur any data or text messaging costs.

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