The safest choice in identity security
Duo is THE user-friendly, zero trust security solution that protects all your data, devices and applications — whether you’re a team of ten people or ten thousand.
Stronger security. Unmatched value.
Passwords and even basic Multi-Factor Authentication (MFA) aren’t enough to keep you safe from today’s dangerously creative attackers. Duo gives you the extra layers of protection you need for secure access management.
Your journey to zero trust starts here
Zero trust takes security beyond the corporate network perimeter, protecting your data at every access attempt, from any device, anywhere. It's the future of information security — and Duo is your rock-solid foundation.
Explore MFA
Ensure users are who they say they are at every access attempt, and regularly reaffirm their trustworthiness with Multi-Factor Authentication (MFA).
Establish device trust
See every device used to access your applications, and continuously verify device health and security posture.
Enforce adaptive policies
Assign granular and contextual access policies, limiting exposure of your information to as few users and devices as possible.
Secure access for every user
Provide appropriate permissions for every user accessing any application, anytime and from anywhere.
Secure access to every application
Reduce the risk of credential theft by enabling users to securely access their applications with a single username and password.
Eliminate authentication fatigue
Empower your workforce with a secure and seamless login experience while minimizing authentication interruptions.
Comprehensive identity visibility
Leverage centralized identity insights to both improve security posture and accelerate detection and response to identity threats.
And the award goes to…Duo!
A big win for trust. Duo is proud to have earned the 2025 Buyer’s Choice Award from TrustRadius, recognized as a top choice in cybersecurity based on real user reviews. Thanks for supporting us!
Duo gets along with everyone (except hackers)
Small to medium business
Flexible protection for nimble teams. With features such as Multi-Factor Authentication (MFA) and secure Single Sign-On (SSO), you can easily protect against cyber threats.
Learn how Duo can help your business
Enterprise
Boost your organization’s defenses with Duo's cutting-edge solutions to protect and streamline access management for your whole organization.
Federal government
Designed to strengthen the strictest safety standards, Duo’s advanced solutions intuitively enhance federal agency cybersecurity and reliably protect confidential data.
State and local government
Mitigate risk and stay ahead of evolving ransomware + phishing threats with Duo’s premier access management solutions for government entities.
Duo MFA has been brilliant because we can integrate it with so many different packages, ADFS, Azure, and the like and also when we came to actually talking about MFA with some of partners they were already using Duo so for them to not need to have another program or application to authenticate was great."
— Adrian Foo, IT Manager, Hynds Group
The Total Economic Impact of Cisco Duo
Is Duo’s world class multi-factor authentication (MFA), single sign-on (SSO) and authenticator app right for you? Short answer: yes. But let’s take a closer look at what the real ROI could be in the short- and long-term.
