Touch ID, which is available only on Macbook Pros, is a built-in biometric authenticator that uses sensors embedded in the finger pad to verify your identity. 


  1. Launch Chrome (REQUIRED) and log in to the My Cal Poly portal.
  2. Go to the Personal Info tab > Personal Info portlet > Authorized Devices > Multi-factor Authentication > Edit.

    My Cal Poly portal Personal Info portlet Authorized Devices Multifactor Authentication Edit Button

  3. Authenticate with Duo.
  4. Once authenticated, click on the Add another device link. 

    Multifactor Authentication Pop-up add another device button

  5. Select Touch ID and click the Continue button.

    Multifactor Authentication Pop-up check Touch ID option, continue button

  6. Begin Touch ID enrollment by clicking the Continue button. A pop-up window will prompt you to enroll. If you don't see a pop-up window, you may need to temporarily adjust your browser settings to allow one.

    Multifactor Authentication Pop-up Enroll with Touch ID continue button

  7. Tap or touch your computer's built-in biometric authenticator or security key to verify your identity.

    Activate Touch ID pop up Mac

    Touch ID authentication notification

  8. Allow duosecurity.com to connect to Touch ID by clicking the Allow button.

    duosecurity.com allow button


  9. Touch ID is now added to your Duo account.

    Multifactor Authentication Pop-up My setting and Devices Touch ID authenticated


  1. Log in to the My Cal Poly portal.
  2. When you are prompted to authenticate, under Device, select Touch ID.
  3. Click the Use Touch ID button to authenticate.

    Multifactor Authentication Pop-up use Touch ID button

  4. Tap or touch your computer's built-in biometric authenticator or security key to verify your identity.
  5. Once your identity is verified, your Cal Poly account will be authenticated.


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