Use this Duo Setup Quickstart to get started with the Duo Mobile app. The Duo Mobile app is fast and easy to use, and doesn't require cell services. Duo pushes login requests to Duo Mobile when you ...

Two-factor authentication provides added security by prompting you to enter a unique code at sign in, in addition to your passphrase. The unique code, generated by your phone, is used only once. You ...

This section is for first-time enrollment in Duo. If you have already enrolled in Duo, see the Add Or Manage Devices After First-time Enrollment section to add or update your enrolled devices. Review ...