Overview
Follow the instructions below to set up your mobile device or hardware token to work with Two-Step Verification (Duo). After completing the setup, you'll be able to log in to campus services that require Two-Step verification such as the Common Financial System (CFS).
Instructions
Mobile Device / Tablet
Install the Two-Step Duo Mobile Application, and then complete the following set up process:
- Open a browser on a laptop or desktop computer, and log in to CSULB Single Sign-On (SSO). Click the SSO chiclet that requires Two-Step Verification, such as CFS.

2. Click the Start setup button in the dialog box that displays. A device-type dialog box opens. Select Mobile phone (recommended) or Tablet, and click the Continue button.
3. Enter the mobile device phone number, and click the checkbox to confirm that the phone number is correct, or re-enter the number as needed. Then click the Continue button.

4. Select the type of mobile device operating system and click Continue.

5. If you've installed the Duo Mobile app on your mobile device, click the I have Duo Mobile button. If you haven't installed the Duo Mobile app, visit the Apple App Store or Google Play Store and install the Duo Mobile app. Make sure to tap OK when asked if Duo Mobile should be able to push notifications to your device. Return to these instructions after completing the Duo Mobile app installation.

6. With your device's Duo Mobile app open, click "+" sign and scan the activation barcode displayed in the dialog box on the on the laptop/desktop screen. The dialog box displays a green checkbox after activation completes. Scroll down within the activation dialog box, and click Continue.
7. From the When I log in drop down menu, select Automatically send this device a Duo Push. Then click the Continue to Login button, or click the Save button to end the setup process without logging in to the application.

8. If you're logging in to a campus application that uses Two-Step Verification, such as CFS, you may:
- Select Send Me a Push. This dialog box on your desktop/laptop indicates that the Two-Step Verification system Pushed a login reuest to your device. Tap the Accept button on your mobile device to continue to securely login.
- Alternatively, select Enter a Passcode to generate a one-time passcode you'll receive through your Duo Mobile app. Enter the code generated on the Duo Mobile app in the cooresponding screen on your desktop/laptop, and you'll be securely logged in.
Once you successfully acknowledge the push to your Duo Mobile App, the Duo screen will disappear and you'll be logged in to the service.
Token
If you opt to use a token, you or your area’s technology coordinator/designee must first submit a request to register the token.
After you receive confirmation that the token is registered, you'll see the following screen after clicking an SSO chiclet such as CFS that has two-step verification enabled.
Use your token to generate a passcode. Then click the Enter a Passcode button, and enter it in the field that displays.
