Zero Trust Security is an approach that ensures only verified users and secure devices can access applications. It requires that both users and their devices are trusted before granting access, forming the foundation of a comprehensive security model. This approach is part of the Cisco Zero Trust framework, which includes components for the workforce, workloads, and workplaces.

Duo enhances user authentication through strong multi-factor authentication (MFA), which allows users to verify their identity with a simple tap on a notification sent to their smartphone. This method simplifies the login process while providing broad coverage for various user types, including employees, contractors, and partners.

Duo provides detailed visibility into user devices through its endpoint visibility features. Organizations can monitor both corporate and personal devices, assess their security posture, and manage access based on device trust. This includes identifying risky devices and enforcing security policies to protect sensitive applications.