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Effective October 28, 2019 Duo Security will be transitioning to Cisco's Privacy Statement. View the Duo Privacy Data Sheet.

Duo's Web SDK in 6 Minutes

View our integration video to see how easy it is to set up two-factor authentication with your web-based application using Duo’s web SDK. Duo client libraries are available for Python, Ruby, Classic ASP, ASP.NET, Java, PHP, Node.js, Coldfusion, and Perl.