Duo Security

Duo Security is a leading provider of cloud-based cybersecurity solutions, specializing in multi-factor authentication (MFA), single sign-on (SSO), and zero-trust access. Founded in 2010 and headquartered in Ann Arbor, Michigan, the company provides a robust security platform that helps organizations verify user identities and assess device health before granting access to sensitive applications. While Duo Security is a technology firm, it is a critical partner for the healthcare and life sciences sectors, offering specialized solutions to ensure HIPAA compliance and protect electronic health records (EHR). The company was acquired by Cisco Systems in 2018 for approximately $2.35 billion and continues to operate as a core component of Cisco's security business unit.