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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.

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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.

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Multi-Factor Authentication (MFA)

Quickly and securely verify user trust with every access attempt.

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Remote Access

Establish strong security for your remote users.

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Adaptive Access

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

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Device Trust

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

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Single Sign-On (SSO)

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

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Our Products

Get to know how Duo meets your security needs.

Take Cybersecurity Action

October marks Cybersecurity Awareness Month. Explore resources on how you can build a safer digital environment and more secure future to make this month epic.

Find Out Now Read More on the Duo Blog

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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

Duo Wins Big: Spotlight on Industry Excellence

Duo shines bright with accolades from leading industry giants. Recognized by TrustRadius, PeerSpot and FastCompany, Duo continues to set the gold standard in cybersecurity solutions.

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Duo Clinches PeerSpot’s ZTNA Service Award

Cisco Duo is proud to announce our latest accolade: PeerSpot’s Tech Leader Award in ZTNA as a Service. Experience the gold standard in secure network access with Duo.

Read all Duo Reviews

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Duo’s Passwordless Innovation: A 2023 Leader

Duo Passwordless leads the way in innovation, making the list as one of the ‘Most Innovative Security Design of 2023’ by FastCompany.

Stay at the forefront of innovation with Duo

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Duo Claims Three TrustRadius Awards

Cisco Duo shines in 2023, clinching the TrustRadius award in the Cloud Authentication, Cloud Computing Security and Single Sign-On categories.

Read why Duo Wins

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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

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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

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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.

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

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