“Sinister energy” triumphed over the heartwarming story Wednesday. France’s polarizing figure skating duo of Laurence Fournier Beaudry and Guillaume Cizeron narrowly edged America’s Madison Chock and ...

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 ...

When using the Duo Mobile app I get a message, "We have detected some security issues with your device that require your attention." What should I do? The Duo app helps keep you safe by suggesting you ...

Morningstar Quantitative Ratings for Stocks are generated using an algorithm that compares companies that are not under analyst coverage to peer companies that do receive analyst-driven ratings.

This library allows a web developer to quickly add Duo's interactive, self-service, two-factor authentication to any Java web login form. See our developer ...