Duo is the University of Maryland's solution for multi-factor authentication.

• How do I enroll for Duo? How do I use the Duo Mobile app?
  Answers for how to set up your smartphone and how to use Duo.
• What if I do not have a smartphone or it is broken or not available? What if I do not have the Duo Mobile App?
  Answers for users who do not have a smartphone or cannot use the Duo Mobile app.
• What accessibility features does Duo offer?
  To learn about Duo’s accessibility features, please visit Duo Accessibility.
• What if I have a problem?
  For answers to your Duo problems. When Duo is not working as it should, look here.
  
• All the FAQs
  For all the questions and answers.