Skip navigation

Easy, Flexible Cybersecurity Solutions for Everyone

Securing your entire organization has never been easier. Duo's multi-factor authentication (MFA), single sign-on (SSO), 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.

Get Started for Free

An animated image of dispersed small circles all converging into one demonstrating that no matter the device or location you are securely protected by Duo
CISO (chief information security officer) using cybersecurity auth app on monitor & a road indicating speed of Duo deployment

Duo Editions: Strong Security That Powers High Productivity

Cyber attackers are increasingly targeting gaps in weaker multi-factor authentication (MFA) implementations. That’s why Duo is bringing protection previously available only in Duo's most advanced edition to every Duo customer.

The editions lower the total cost of ownership, decrease risk of breaches and improve user productivity. Only Duo delivers peace of mind with strong security and increased productivity at an unmatched value.

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.

A cybersecurity professional works remotely with Cisco Secure

Get Duo — and so much more

Build on Duo's strong authentication and device trust protections with more layers of defense against phishing and web-based attacks — in one step and all available as part of Cisco's Security Step-Up promotion. Here's your chance to secure all of your critical attack vectors — email, web traffic and credential theft.

Get Started with Security Step-Up Now

TrustRadius award badge

TrustRadius 2023

Cisco Duo customers said exceptional things about our product on TrustRadius, earning us a TrustRadius Top Rated 2023 award for Authentication, Cloud Computing Security, and Single Sign-On (SSO) categories. Read About Our TrustRadius Accolades

Best 2FA App!

Duo was recently named the best two-factor authentication app by the New York Times Wirecutter! With easy onboarding, optional backups and regular updates, Duo Mobile is the go-to app for simple, secure two-factor authentication. Check out what they had to say about Duo!

The New York Time Wirecutter says that Cisco Duo is the best 2FA app

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 and Duo Quick Start: Our experts are at your service with premium user-friendly customer support.

New and Noteworthy

Phishing for Dummies Cover Image

Phishing for Dummies

Discover the evolving world of phishing threats. Dive into this e-book to understand the risks, uncover trends affecting attack methods, pinpoint organizational vulnerabilities, and learn how Duo offers a defense against even the most advanced attacks.

Download the eBook

An ebook cover with data bits and byte images authored by Enterprise Strategy Group on the topic of Passwordless in the Enterprise

Passwordless in the Enterprise

Discover what the latest findings from an ESG survey on passwordless authentication trends and challenges reveal about how your enterprise can evolve with the authentication landscape and define your passwordless future.

Download the eBook

A security professional holding their mobile device and authenticating to access data securely

Eliminate Interruptions, Boost Productivity, Enhance Security

Streamline user authentication for an uninterrupted access experience for your workforce. Follow Duo's journey in bringing this new capability to market by clicking below.

Contact Us

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

MFA users authenticate with cybersecurity multi-factor authentication