Setting up Google Authenticator

Setting up Two-Factor Authentication (2FA)

Follow along with this video tutorial, or via the steps below:

You can start by downloading the Google Authenicator app:

Then, follow the steps below to use the default method.  

Setting up Two-Factor-Authentication does not not require that you change any existing Binghamton University passwords. If you do not wish to change your password(s), you may fully ignore any options or prompts implying that you should do so.
  1. Go to
  2. Enter your username. 
    Enter Username
  3. From the dropdown provided, select an email address or phone number to which you would like your Security Code sent.
    Select Contact
  4. Check the email address or the phone number you selected in the previous step, and look for an email or SMS text message with a 6-digit One-Time Security Code
    Fetch Code
  5. Enter the 6-digit Security Code received in the previous step into the space provided.
    Enter Code
  6. You have now successfully authenticated into the password portal.
  7. Select the Create New Token button.
    Select Create New Token
    *You DO NOT need to change your password to create a token.
  8. Fill out the form.
    1. Select Default (TOTP)
      b) Select your Device
      c) Add Date of Birth  TOTP Form

  9. Use your authenticator application to scan the QR Code.Scan QR Code
  10. Input your new six-digit One-Time Password into the One-Time-Password verification area. OTP Input
  11. You can now use Google Authenticator to acquire your six-digit 2FA code each time you log into CAS, the Central Authentication Service. Using OTP Passcode