Two-Factor Authentication

This document describes the many options available to you when using Duo for two-factor authentication: the Duo Mobile app on a smartphone, the app on a tablet, passcodes, phone calls or text messages to a cell phone, phone calls to a landline, Duo hardware token, U-M YubiKey, Third-party Security Key, and Touch ID on macOS.
This document provides instructions for adding devices, after an initial device has been enrolled, in Duo for two-factor authentication.
This document provides instructions for changing your Duo options for two-factor authentication. This includes: reactivate Duo Mobile when you get a new phone with the same number, delete a phone number or device if it’s lost, stolen, or no longer needed, and switch your default device.
This document lists the advantages and considerations for using some of the Duo options to help you choose the ones that will work best for you.
This document provides instructions for enrolling your landline telephone, non-smart cell phone, or softphone in Duo so you can use it for two-factor authentication (2FA).
This document provides instructions for enrolling your smartphone or table in Duo so you can use it for two-factor authentication (2FA).
This document provides instructions for obtaining and enrolling U-M hardware tokens and U-M YubiKeys.
This document provides instructions and advice for enrolling in Duo and using two-factor authentication to protect your personal information in the services you log into via the Weblogin page (Wolverine Access, Canvas, U-M Google, U-M Box, MFile, MPrint, and more). It covers what to expect (same number of logins, Remember me for seven days, re-authentication and time-out periods) and tips (add backup phones or devices, lock your screen instead of logging out, working across campus, access from home).
This document provides instructions for downloading and installing the Duo Mobile app on your mobile device for for two-factor authentication (2FA).
This document provides instructions for reactivating or restoring the Duo Mobile app after you get a new smartphone or tablet. There are two options covered in this document: Reactivate. If you have an alternate method of Duo two-factor (such as a phone call ), you can use your smartphone or tablet to scan a QR code from your Duo Device Settings. If not, you can contact the ITS Service Center for an activation link. Restore. Get the app working on a new device without requiring a separate reactivation step.