Explore Our Products
Duo provides secure access to any application with a broad range of capabilities.
Verify the identities of all users with MFA.
Provide secure access to on-premise applications.
Ensure all devices meet security standards.
Provide secure access to any app from a single dashboard.
Block or grant access based on users' role, location, and more.
Click through our instant demos to explore Duo features.
Want access security that’s both effective and easy to use? You need Duo.
Get the security features your business needs with a variety of plans at several price points.
Desktop and mobile access protection with basic reporting and secure single sign-on.
All Duo MFA features, plus adaptive access policies and greater device visibility.
All Duo Access features, plus advanced device insights and remote access solutions.
Free (10 users)
Simple identity verification with Duo Mobile for individuals or very small teams.
FedRAMP authorized, end-to-end FIPS capable versions of Duo MFA and Duo Access.
Have questions about our plans? Not sure where to begin? Get in touch with us. We’ll help you choose the coverage that’s right for your business.
Explore Our Solutions
Duo provides secure access for a variety of industries, projects, and companies.
Users can log into apps with biometrics, security keys or a mobile device instead of a password.
Discover how Cisco efficiently deployed Duo to optimize secure access and access control in their global workforce.
"The tools that Duo offered us were things that very cleany addressed our needs."
Learn About Partnerships
Partner with Duo to bring secure access to your customers.
Integrate with Duo to build security into applications.
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Deliver scalable security to customers with our pay-as-you-go MSP partnership.
Enhance existing security offerings, without adding complexity for clients.
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Want access security that's both effective and easy to use?
You need Duo.
See All Support
Have questions? We’re here to help! Our support resources will help you implement Duo, navigate new features, and everything in between.
Duo Care is our premium support package. With a dedicated Customer Success team and extended support coverage, we'll help you make the most of your investment in Duo, long-term.
Browse All Docs
Get instructions and information on Duo installation, configuration, integration, maintenance, and much more.
We update our documentation with every product release. Sign up to be notified when new release notes are posted.
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Explore research, strategy, and innovation in the information security industry.
We disrupt, derisk, and democratize complex security topics for the greatest possible impact.
Explore Labs Research
With the rise of passwordless authentication technology, you'll soon be able to ki$$ Pa$$words g00dby3. Learn how to start your journey to a passwordless future today.
The process of verifying the credentials of a user, device, or action, as well as the origin and integrity of data.
What’s a Secure Mobile Authentication?
One-time passwords can be used as a second factor in two-factor authentication, but they can be easily compromised by...
Two-Factor Authentication Evaluation Guide
Read our guide to learn how to compare two-factor authentication (2FA) methods, including concrete criteria for evaluating technologies & vendors. Download now!
Why Use Two-Factor Authentication?
Passwords alone can’t prevent account takeover. By combining another factor - something you have - you can add...
Two-Factor Authentication - 2FA
Two-factor authentication (2FA) lets you quickly and easily verify users by requiring two methods to authenticate identity.