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Cisco Duo MFA
Cisco Duo stops phishing, malware, and ransomware by verifying every user's identity before granting access — with proximity verification and adaptive policies that protect your entire workforce.
Multi-factor authentication adds a second layer of verification at login, ensuring that stolen passwords alone cannot compromise your organization. Cisco Duo makes MFA fast to deploy, easy for users, and powerful enough to satisfy the strictest compliance requirements.
Duo works out of the box with major SaaS platforms, VPN clients, cloud environments, and custom applications. Protect legacy Active Directory environments and modern cloud apps from a single platform — with minimal IT effort.
Let users authenticate the way that works best for them. Duo supports biometrics, hardware tokens, passcodes, phone callbacks, and Duo Push — so you can balance security requirements with user convenience across every team.
Users verify their identity with a single tap on their mobile device. Duo Push delivers a frictionless login experience that keeps employees productive while maintaining strong security at every access point.
MFA Evaluation Resource
Choosing the right MFA solution is critical. This guide walks you through the key criteria for evaluating MFA products — including phishing resistance, deployment complexity, user experience, and compliance coverage.
Restrict or step up authentication based on geographic location, IP address, or network context to block unauthorized access from unexpected regions.
Verify that devices meet security standards — up-to-date OS, encryption enabled, screen lock active — before granting access to sensitive applications.
Apply different authentication requirements based on user roles and group memberships, ensuring that privileged accounts receive stronger protection.
Proximity-based verification and FIDO2 WebAuthn support ensure that authentication cannot be intercepted or replayed by remote attackers.
The City and County of Denver deployed Duo MFA to more than 18,000 users in less than three months. With self-enrollment and broad platform support, Duo enabled the organization to secure its entire workforce rapidly — without disrupting day-to-day operations or requiring extensive IT resources.
"18,000+ users enrolled in under 3 months — with minimal IT overhead and zero disruption to city services."
Duo is trusted by tens of thousands of organizations worldwide and consistently recognized for security, usability, and customer satisfaction.
Consistently rated as a top MFA solution by verified enterprise users on TrustRadius.
Named the best two-factor authentication app by The New York Times Wirecutter for ease of use, reliability, and regular updates.
Our Cisco-certified team can help you evaluate, license, and deploy Duo MFA across your organization. Whether you need to protect 50 users or 50,000, we will help you get started.