Two-Step Login

Get an overview of two-step login on this page, and find links to knowledge base articles in the left-hand column for specific instructions and guides.

New UC San Diego Students and Employees

Start here: Register your phone or other device. For more information and tutorials keep reading.

Existing Users: Quick Help

Locked Out or Device Unavailable

Get help if you're locked out of Duo or your device is not available.

New Phone (with Same Number)

Register a new or upgraded phone with the same number

The Basics

Learn how to use Duo Security to manage the two-step login process.

Get started in 3 easy steps:

1. Decide which device(s) you'll use
2. Install the Duo app on your device, or request a token
3. Register your device with Duo (duo.ucsd.edu)

See how easy it is to register a device:

Student employees:

You may already be using Duo and two-step login if you're also a university employee and are accessing protected systems. If you have separate student and employee accounts, you may need to register each account for two-step login. Learn more about Duo.

More information and details:

• Register your mobile phone or other devices with Duo
• Set up a new or additional phone or device with your existing Duo account
• Set your push preferences and other Duo options
• Generate single-use passcodes to use as a backup plan when your phone or service is unavailable
• Use Duo to access Health Sciences, Medical / Pharmacy School, or other institutions
• Use Duo to access Single Sign-on, Office 365, and VPN
• Get help with two-step / Duo