This section is for first-time enrollment in Duo. If you have already enrolled in Duo, see the Add Or Manage Devices After First-time Enrollment section to add or update your enrolled devices. Review ...

Why do I need to remove my lost phone from my list of DUO devices? Even if you lose your phone, remember that your phone's password will still protect your account. However, it is important to remove ...

Duo is William & Mary’s two-factor authentication service. Two-factor authentication provides an additional level of security to help protect against increasingly sophisticated security threats. It ...