Connect and protect your employees, business partners and customers with identity-powered security.
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 Small/Medium Business features, plus adaptive access policies, greater device visibility, plus advanced device insights and remote access solutions.
FedRamp authorized, end-to-end FIPS compliant, streamlined solutions.
Meet compliance objectives with our friction-free MFA.
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.
Duo’s security is customizable, easy to set up and simple to use, making it the perfect solution for a wide range of industries.
Duo provides secure access for a variety of industries, projects, and companies.
Whether you're considering a big-picture security strategy like zero trust, or you want to address a specific threat like phishing attacks, Duo has you covered.
A zero trust model establishes trust in users and devices through authentication and continuous monitoring.
Duo's comprehensive access security sets the stage for user-friendly, password-free multi-factor authentication.
Secure your workforce against phishing attacks with strong multi-factor authentication, device trust and more.
Duo’s dynamic solution detects and responds to potential threat signals to secure trusted users and frustrate attackers.
With Duo, you can have both, in a platform that integrates across your entire ecosystem. Every user, every device, no exceptions.
Duo delivers peace of mind with strong security and increased productivity at an unmatched value.
Reduce friction and automate processes so that end-users and administrators can focus their time on moving your business forward.
Duo continues to pioneer MFA-approaches that keep your business a step ahead of the next threat.
Our Risk-Based Authentication reduces the burden placed on users so they can verify their identity quickly and get back to the task at hand.
Close the gap on your security perimeter and bring every user and every device under one secure roof.
Click through our instant demos to explore Duo features.
Duo Security is part of Cisco Secure — find out how we make global security resilience easier than ever!
A record of entities, such as users, IP addresses, or countries, that are blocked or denied privileges or access. Implementing these precise controls over who can gain entry to a network increases the chances of keeping out remote attackers.
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How to Block Access by Country
Blocking Authentication Attempts from Anonymous Networks
