 Learn About Duo

This page provides instructions for getting started with Duo, UO's two-step login service.

This page provides answers to frequently asked questions about two-step login (Duo).

Information about what a hardware token is, where to get one, and how to use them.

Information about the Duo Mobile smartphone app.

A guide to all the ways to complete a two-step login.

Tips for optimizing your experience with Duo two-step login.

Answers to frequently asked questions about Duo Universal Prompt, the new interface for Duo two-step login.

Learn how to set up and use the Duo verification methods available with the Duo Universal Prompt.

This article explains how to get passcodes via text message (SMS) to use for Duo authentication.

Learn how to use Verified Duo Push, the new Duo push verification method at the UO.

This article contains a list of UO services that are protected by two-step login (Duo).

The Duo Mobile application on your cellphone can be used to generate a list of two-step login passcodes.

Learn how to enable your device's biometric verification methods with Duo Universal Prompt.

Duo guidance for international travelers

Learn how Verified Duo Push works with the Apple Watch.

Learn how Duo remembers your device when you authenticate.

Temporary bypass codes allow you to two-step login without your registered device(s)