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. Log in using your username and password. 

    CAS Login Screen
  3. Select the Create New Token button.Select Create New Token
    *You DO NOT need to change your password to create a token.
  4. Fill out the form.
    1. Select Default (TOTP)
      b) Select your Device
      c) Add Date of Birth  TOTP Form

  5. Use your authenticator application to scan the QR Code.Scan QR Code
  6. Input your new six-digit One-Time Password into the One-Time-Password verification area. OTP Input
  7. 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