Using Duo Security to Access Campus Resources

Duo is the two-factor authentication (2FA) service CSUF is using to secure login attempts to various campus services and applications. Duo Two-factor authentication (2FA) has different methods to authenticate you. These methods vary depending on which devices (if any) you have added to your account. This article describes the steps to authenticate using Duo with each method.

1. At the portal login screen, enter your username and password

portal sign in prompt

2. Select the authentication method you wish to use

Duo challenge prompt
3. Select Send Me a Push

You need to have already installed the Duo Mobile app and added to your account. View article on adding a mobile device to Duo.

3.1. The Push will be sent to your default mobile phone. Check your phone and tap Approve

Duo approve window

3.2. You are done. Check your computer screen, you will be signed in to the portal

4. Select Call Me.
choose an authentication method

Duo security is enabled for the portal log in from off campus and campus wireless network. If you haven't added your mobile phone to your Duo account it will ring on your office extension. To add your mobile phone, view article on adding a mobile device to Duo.

4.1. Your mobile phone will ring, answer the call, listen to the message, and on the keypad press 1

4.2. You are done. Check your computer screen, you will be signed in

5. Select Enter a Passcode

The Passcode can originate from three sources: the Duo Mobile app, Text (SMS) message, or a keychain fob

5.2. If you are have already added your mobile phone to your Duo account you can click on Text me new codes
Text me new codes
iOS text message

5.2.2. You are done. Check your computer screen, you will be signed in

5.3. If you have been issued a keychain fob you can generate a Passcode by pressing the circular button on it
keychain fob

5.3.1. Enter the Passcode and click Log in

passcode enter field

5.3.2. You are done. Check your computer screen, you will be signed in

Need More Help?

Contact the IT Help Desk at helpdesk@fullerton.edu or 657-278-7777.