Protect your workforce with simple, powerful access security. We're Cisco 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. Get the peace-of-mind only complete device visibility and trust can bring. Respond faster to threats with an easy‑to‑deploy, scalable SaaS solution that natively protects every application. 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. 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. Lay the foundation for your zero-trust journey with multi-factor authentication, dynamic device trust, adaptive authentication and secure SSO.