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.
Already a Tech Partner? Sign-in
Deliver scalable security to customers with our pay-as-you-go MSP partnership.
Enhance existing security offerings, without adding complexity for clients.
Already a SSP Partner? Sign-in
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.
See All Resources
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.
A communications protocol that uses a certificate's paired public and private keys to establish encrypted connections to HTTP services.
BeyondCorp: If You Liked It, You Should Have Put a Cert On It
In High-Profile Breaches, Attackers Leveraged Poor Security Hygiene
Duo Leverages Google’s SafetyNet to Strengthen Device Health Assessments
Lack of Database and Password Security Leaves Millions of Users Exposed
Duo Security's Response to OpenSSL Heartbleed
Duo Patches for the Latest OpenSSL Vulnerabilities
Lenovo & Superfish: How Not to Handle Security Issues