UL2FCTR/Duo is UofL's two-factor authentication system. Two-factor authentication adds a second layer of security to your online accounts by verifying your identity on the Duo app, your phone or device. Learn more about UL2FCTR/Duo, how to sign up for UL2FCTR/Duo, and how to manage your devices.
Learn about UL2FCTR/Duo, UofL's two-factor authentication system. Get information on what UL2FCTR is, who needs to sign up for UL2FCTR/Duo, what university systems/applications use it, and how to sign up for it.
UL2FCTR/Duo supports multiple types of authentication methods, each with unique security features. Learn about each authentication method, from the most secure to the least secure.
This guide is for students, employees and sponsored users who need to sign up for UL2FCTR/Duo for the first time. Follow these steps to get started.
You can use the Identity and Access Management portal to manage your UL2FCTR/Duo devices. Use these instructions to add a device to use for UL2FCTR/Duo or to remove a device from your profile.
This article explains how you reactivate Duo Mobile when you get a new phone but keep the same phone number. Use this if Duo Push no longer works after switching devices.
This article explains how you can verify whether your Android device is supported by Duo Mobile. Use this when you are unable to authenticate with Duo or want to confirm your Android version meets Duo security requirements.