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Protect your workforce with simple, powerful access security.

We're Duo. Our modern access security is designed to safeguard all users, devices, and applications — so you can stay focused on what you do best.

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Secure access for any user and device, to any environment, from anywhere. 

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Get the peace-of-mind only complete device visibility and trust can bring. 

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Respond faster to threats with an easy‑to‑deploy, scalable SaaS solution that natively protects every application.

Designed for teams of all sizes. Engineered to protect your mission. 

Duo's access security shields any and every application from compromised credentials and devices, and its comprehensive coverage helps you meet compliance requirements with ease.

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Intuitive authentication for users. Powerful flexibility for companies. 

Duo natively integrates with applications to provide flexible, user-friendly security that's quick to roll out and easy to manage. It's a win, win, win for users, administrators, and IT teams alike.

Perimeterless workforce protection. Secure access worldwide.

Lay the foundation for your zero-trust journey with multi-factor authentication, dynamic device trust, adaptive authentication and secure single sign-on for every user and device. 

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Coming Soon: Passwordless Authentication from Duo

Ready to ki$$ pa$$words g00dby3? Soon, you'll be able to do just that with Duo. Our passwordless solution is flexible and easy to set up, with the same best-in-class usability you'd expect from any Duo product. Sign up today to receive updates on our upcoming passwordless experience.

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Cisco’s New Report Explores the Future of Work

It’s no secret — the workplace as we know it has fundamentally changed. A hybrid model is becoming the norm, which means more cloud apps to protect, remote collaboration to secure and new threats to outsmart. Explore these global trends and more with Cisco’s Hybrid Work Index.

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Experience Duo now with a free trial.
It only takes a few minutes to set up.

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