Duo Mobile supports multiple authentication controls — from push notifications, to biometrics, to passcodes — while maintaining a consistent, intuitive user login experience.

Learning with Duolingo is fun, and research shows that it works! With quick, bite-sized lessons, you’ll earn points and unlock new levels while gaining real-world communication skills.

Stay connected and collaborate with friends, family, and colleagues no matter where you are. Join a meeting now using the unique code at the end of your meeting link. It'll look something like...

Real-time problems and outages for Duo. Is the site down? Login not working? Here you see what is going on.

4 days ago · Duo Mobile works with Duo Security's two-factor authentication service to make logins more secure. The application generates passcodes for login and can receive push notifications for …

Feb 20, 2026 · Duo is a one-to-one video calling mobile app for everyone – designed to be simple, reliable and fun so you never miss a moment.

Duo Security offers solutions to protect organizations from identity threats. Explore Duo identity security, phishing-resistant MFA, and other solutions.

Duo Desktop checks the health and security posture of macOS, Windows, and Linux devices at every login. See how your workforce can download and start using Duo Desktop in just a few steps.

Jan 22, 2026 · Learn about Duo’s identity and access management (IAM) solution, offering strong authentication, secure access, user enrollment capabilities, broad application support, device trust …

Duo products help keep organizations safe from phishing, ransomware, and malware. Explore tools ranging from MFA and SSO to identity intelligence.