Skip navigation

Easy, Flexible Cybersecurity Solutions for Everyone 

Securing your entire organization has never been easier. Duo’s two-factor authentication, remote access and access control products deploy fast in any environment. We help keep companies safer than ever before with minimal downtime and optimized productivity.

Start a Free Trial

Two cybersecurity professionals researching multifactor authentication
CISO (chief information security officer) using cybersecurity auth app on monitor & a road indicating speed of Duo deployment

Stay Ahead of Cybersecurity Risks with Software that Works with You

As a part of Cisco Secure's comprehensive suite of security products, Duo helps your organization — and every user in it — achieve security resilience. Our product is easier to use, protects any device, integrates with any application — and it works!

Our customizable solutions offer dynamic cybersecurity that evolves with your organization. Adapt to the changing threat landscapes faster with full-scale visibility and unmatched reliability, all from an interface so simple that anyone can use it.

View Editions & Pricing

Simple Tools for Complex Security Needs

Duo’s MFA (multi-factor authentication) and 2FA (two-factor authentication) app and access tools can help make security resilience easy for your organization, with user-friendly features for secure access, strong authentication and device monitoring.

Multifactor authentication icon

Multi-Factor Authentication (MFA)

Quickly and securely verify user trust with every access attempt.

Remote and hybrid data security icon

Remote Access

Establish strong security for your remote users.

Digital access control and security icon

Adaptive Access

Get granular security tailored to your users and their access context.

Company managed and personal device security icon

Device Trust

Know the health of every device accessing your applications, managed or not.

Easy two factor auth icon

Single Sign-On (SSO)

Provide simpler, safer access with just one username and password.

Mobile push 2-factor icon

Our Products

Get to know how Duo meets your security needs.

Tech industry professional uses device

Cisco Secure at Black Hat USA 2022

Join us on August 10th and 11th for the Black Hat USA conference — attend in person in Las Vegas or digitally!

Explore Cisco at Black Hat

Read About Cisco's Multi-Million Dollar Return on Investment (ROI) with Duo Security

“Since Duo is platform agnostic, we know that we can protect every application, regardless of where it lives. Duo’s ability to easily protect any application reduces my team’s effort, freeing them up to focus on other important work.”

-Josephina Fernandez, Director of Security Architecture & Research at Cisco

Read The Customer Story All Customer Stories

Two CISOs evaluate data security and multi factor auth

An IT administrator uses Duo's device insight application interface

Solutions for Every Security Goal

From compliance to planning for security’s future, Duo has the access and authentication tools to help you get where you need to be. See what we can do for you. 

Discover Security Solutions

Use Cases for Simple Security Strategies

  • Zero Trust: Secure the perimeterless, work-from-anywhere world with Duo's Zero Trust capabilities for the workforce.
  • Passwordless: Give users a frictionless login experience, while strengthening against overall security risks.
  • Phishing Prevention: Secure your workforce against phishing attacks with strong multi-factor authentication, device trust and more.

Supporting Your Security Goals

  • Meet Compliance with Duo: Meet requirements for compliant, effective security in your industry and company.
  • Duo Documentation: Duo supports your devices and applications with easy-to-use installation and configuration documents.
  • Duo Care: Our experts are at your service with premium user-friendly customer support.

New and Noteworthy

New Duo Integrations for Cisco SecureX

Visibility is essential to every company’s cybersecurity strategy. Explore how Duo’s visibility tools like Trust Monitor and Device Insight now integrate with the Cisco SecureX portfolio for an optimized and consolidated user experience. 

Read About Duo & SecureX

Duo branded clouds representing Cisco's cybersecurity cloud products

Announcing the Cisco Security Cloud

Cisco's new Security Cloud is a global, cloud-delivered, integrated security and networking service for organizations of all sizes that goes everywhere your business does. Learn why Cisco Security Cloud is built for your business.  

Explore Cisco's Security Cloud

An executive uses cybersecurity products to work from his personal phone

Introducing Continuous Trusted Access

Through risk-based authentication and session trust analysis, Continuous Trusted Access adjusts security requirements based on risk and changes in user context — even mid-session — to provide thorough, adaptive security that doesn't get in your users’ way unless it's absolutely necessary. 

Discover Continuous Trusted Access

Your Next Step: Experience Duo now with a free trial.

Two smiling people use Duo Mobile's simple multi-factor authentication on their smartphones while on the go.