Cisco Duo

Phishing-resistant multi-factor authentication and zero-trust access that verifies every user, checks every device, and secures every login from wherever your workforce logs in.

Cisco Duo is a two-factor authentication and zero-trust access platform that verifies user identity, establishes device trust, and secures access to apps, networks, and cloud services from any device in any location worldwide.

Top Features

Phishing-resistant MFA

Counter modern cyber threats with strong multi-factor authentication methods like Verified Duo Push, biometrics, and security keys that stop credential theft and session hijacking at the door.

Protection and productivity

Secure your environment while empowering your workforce to operate from anywhere, on any device, with simple enrollment and login experiences that users actually want to use every day.

Complete coverage and fast deployment

Eliminate perimeter gaps with easy-to-use integrations across every application, cloud, and VPN, and launch new protections in days without burning through IT budget or team capacity.

Beyond licensing, a seamless, fully supported Cisco Duo experience with Discreet Vision.

Why Your Business Needs Cisco Duo

Duo isn't just MFA, it's a complete zero-trust access platform that verifies users, evaluates devices, and enforces adaptive policies at every login, giving your organization protection that stops attackers without slowing down employees.

Phishing-Resistant Authentication: Verified Duo Push, biometrics, and security keys stop credential phishing and session hijacking attempts that bypass traditional MFA, keeping attackers out even when passwords are compromised.

Secure Remote Access: Give hybrid and remote teams safe, reliable access to apps and data from any device and any location, with Duo Network Gateway providing VPN-less proxy access to on-premises and cloud environments.

Device Trust at Every Login: Check every device’s security posture before granting access, spot out-of-date software and jailbroken devices, and enforce health checks at every login attempt without device management agents.

Adaptive Policies & SSO: Create granular access policies based on user role, device, location, and risk signals, and deliver single sign-on that reduces password fatigue while building a foundation for a passwordless future.

Built for how modern teams secure access.

Everything your business needs to verify users, trust devices, and enforce zero-trust policies, delivered in one cloud-native platform covering phishing-resistant MFA, device trust, SSO, adaptive access, and secure remote access across every application and login.

Multi-Factor Authentication

Duo is the easiest MFA solution for users and administrators, with user-friendly methods like Duo Mobile and Verified Duo Push that users adopt without training. Download Duo Push onto a smartphone and you’re ready to authenticate. Scale MFA as your business grows: Duo functions like a gateway for existing and future IT infrastructure, letting IT teams set up new users, support new devices, and protect new applications instantly without impacting legacy technology.

Secure Remote Access

Duo Network Gateway is a secure VPN-less proxy for on-premises and cloud environments including Azure, AWS, and GCP, ensuring access security across every location. The gateway delivers streamlined user login, permission control, and reliable application security. Deploy a modern remote access solution or add an extra layer of protection to existing VPNs like Cisco AnyConnect, Juniper, Citrix, and F5, all from the same policy framework.

Device Trust & Visibility

Duo provides visibility into every device on your network and enforces health checks at every login attempt. Verify device health before granting access, and get detailed information about both corporate and unmanaged devices to spot security risks like out-of-date or jailbroken hardware. Advanced BYOD security lets employees, contractors, and vendors use their preferred devices anywhere, while Duo Mobile and Device Health verify hygiene at every login.

Single Sign-On & Passwordless

Duo’s SSO provides users with a consistent, easy login experience for every application, cloud or on-premises, hosted and managed by Duo for simple deployment. SSO reduces risks from credential compromise by eliminating password sprawl, and meets MFA requirements from cyber insurance carriers and compliance frameworks. Duo Passwordless Authentication verifies identity with biometrics, security keys, and the Duo Push app, so users verify once within an admin-configured timeframe.

Adaptive Access Policies

Duo lets you create custom access policies based on role, device, location, network, and other contextual factors, and adjust access dynamically based on real-time risk signals. Set up detailed policies in minutes through an intuitive admin dashboard, manage rules globally or for specific applications, and detect user context at every login. Duo’s Risk-Based Authentication evaluates potential threat signals and adjusts security requirements in real time, applying friction only where it’s needed.

Get Started with Cisco Duo Today

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Cisco Duo