Duo provides two-factor authentication for most SMU accounts. Verifying your identity with a second factor, like a mobile device, helps prevent others from using your SMU account to log in, even if they know your password.
Duo authentication can be accomplished through the Duo Mobile app, via a hardware token, using a telephone, or with SMS. However, security concerns with the telephone and SMS features are known to present a real risk to the security of your account. Therefore, SMU will be eliminating the landline and SMS options over the next several months. Continue reading Future Changes in Duo Service