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Cisco Duo
Duo flips the script on identity with security-first IAM that attackers hate and users love. Phishing-resistant MFA, single sign-on, device trust, and identity intelligence — all in one platform. No extra hardware required.
Attackers are evading traditional MFA, SSO, and Identity and Access Management. Duo redefines the category with phishing-resistant authentication that keeps users safe without extra hardware or friction. Use Duo as a full IAM solution, or broker secure access from identity sources you already have — either way, you get consistent security control across every user and application.
Duo delivers end-to-end identity protection across authentication, access, visibility, and user experience.
Pillar 1 — Phishing Resistance
Duo is the only IAM solution built for security. Unleash phishing-resistant MFA that makes credential theft impossible — no extra hardware required. Duo replaces passwords and phishable second factors with cryptographic proof, so attackers have nothing to steal and nowhere to go.
Pillar 2 — Secure Identity
Use Duo as a full IAM solution or broker secure access from identity sources you already have. Either way, establish consistent security control with Duo — without disrupting your users, your workflows, or the applications your business depends on.
Pillar 3 — Identity Intelligence
Know who is logging in, what is risky, and what to do next. Cisco Identity Intelligence gives you the power to act before threats become problems. Surface risky users, unusual login patterns, and identity misconfigurations — and trigger automated responses before attackers can move laterally.
Pillar 4 — World-Class UX
Duo turns strong security into a smooth, seamless experience. One login gets users where they need to go — no friction, no fatigue, no slowdown. Duo takes the guesswork out of security and reduces friction so your team can focus their time on moving your business forward.
Whether you are a growing SMB, a global enterprise, or a government agency, Duo scales to meet your security requirements.
Flexible protection for growing teams. Phishing-resistant MFA, single sign-on, and additional safeguards help you stay ahead of evolving threats without overloading your IT team.
Duo for SMBScalable identity security for teams that need comprehensive protection. Streamline identity management for every device, application, and user across your organization.
Duo for EnterpriseFor the strictest safety standards. Stay ahead of evolving threats with Duo's advanced tools to protect confidential data, meet compliance mandates, and satisfy federal security requirements.
Duo for GovernmentFour editions designed to match your security requirements and budget — from free MFA for small teams to full identity security for the enterprise.
Free
For teams of 10 or less. Essential MFA to get started with identity security at no cost.
$3 /user/mo
Essential authentication for broader organizational security. MFA, SSO, and basic device health checks for growing teams.
Most Popular
$6 /user/mo
Comprehensive control over user and device security. Adds adaptive access policies, device trust, and VPN-less remote access.
$9 /user/mo
The most security coverage for any size organization. Full identity security with Identity Intelligence, ITDR, ISPM, and Duo Passport.
One platform that covers the full spectrum of modern identity and access security.
Centralized identity management that syncs with your existing directories — Active Directory, Azure AD, and cloud identity providers.
Learn moreVerify every user before granting access with push notifications, biometrics, hardware tokens, or phone callbacks.
Learn moreOne secure login for every cloud and on-premises application from a single dashboard, reducing password fatigue across your workforce.
Learn moreReplace passwords entirely with biometrics, platform authenticators, and FIDO2 security keys. No password — no phish.
Learn moreAssess the security posture of every device at the point of authentication — managed and unmanaged — and block access from non-compliant endpoints.
Learn moreStep up authentication dynamically based on user risk, device health, location, and behavior — without blocking legitimate users.
Learn moreDeep visibility into authentication activity to surface risky users, unusual patterns, and policy gaps across your identity stack.
Learn moreDetect active identity attacks in real time — credential stuffing, MFA fatigue, session hijacking — and trigger automated containment.
Learn more
Industry Recognition
Cisco Systems is a 2026 Customers’ Choice for the “User Authentication” market on Gartner Peer Insights™. This recognition is based on verified ratings and reviews from real end users — reflecting the experiences of IT professionals and security teams who rely on Duo every day to protect their organizations.
See Why Customers Choose DuoDuo addresses a wide range of security and compliance needs across industries and deployment scenarios.
Stop phishing and credential theft with phishing-resistant MFA that removes the authentication methods attackers rely on.
Learn moreEnforce least-privilege access by verifying every identity and every device at every login — a foundational pillar of any zero trust architecture.
Meet authentication requirements for HIPAA, PCI-DSS, SOC 2, CMMC, and other regulatory frameworks with audit-ready access logging.
Learn moreProtect on-premises Active Directory from credential-based attacks, lateral movement, and unauthorized access without replacing your existing infrastructure.
Learn moreSecure every remote access session — VPN, RDP, SSH — with MFA and device trust so only verified users and healthy devices can connect.
Learn moreExtend identity security to every customer environment with a single Duo deployment that scales across your entire managed services practice.
Learn moreExperience for yourself why Duo is one of the most trusted access management tools. Our Cisco-certified team can help you evaluate, license, and deploy Duo — whether you need MFA for a single application or full identity security for thousands of users.