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Adaptive Multi-Factor Authentication (MFA)

Proactively reduce the risk of a data breach with Duo. Verify users' identities, gain visibility into every device, and enforce adaptive policies to secure access to every application.

Learn more about Duo Try Duo for free

Learn how Duo can protect your Microsoft applications in minutes.

New from Cisco Security

Did you miss our Virtual Security Summit? Check out the replay, where we announce some major news.

User and device trust for every application

Two-factor authentication (2FA)

Verify the identity of all users with Duo's easy, one-tap-approval 2FA.

Device visibility

Gain visibility into all devices managed and unmanaged to ensure they meet your security standards, before granting them access.

Adaptive authentication

Enforce access security policies based on user, device, and application risk.

Secure single sign-on (SSO)

Streamline the user login workflow with a single dashboard to access all applications.

Protect any application, wherever it’s located

Secure access to all on-premises and cloud applications with native integrations.

Secure remote access

Provide clientless remote access for multicloud environments and remote workers.