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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.

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.

Guidance for ongoing cyberattacks in Ukraine

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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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

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Cisco's Hybrid Work report is here!

Get guidance on approaching the future of work with Cisco's Hybrid Work Index. With data-driven insights based on millions of global data points, this report will help you prepare to be agile, resilient and productive in the hybrid work era. 

Read the Hybrid Work Index

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

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

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