Duo is a security solution that provides multi-factor authentication (MFA) to protect user accounts and data. It offers an easy-to-use platform that helps organizations secure access to applications and systems by verifying user identities and device health. Duo is designed to integrate seamlessly with existing IT infrastructure, providing a scalable and reliable security layer that enhances protection against unauthorized access and cyber threats. Its user-friendly interface and comprehensive support make it a preferred choice for businesses seeking robust security measures.