CISOFY is a cybersecurity company specializing in providing security auditing and hardening solutions for Unix and Linux systems. Founded by Michael Boelen, CISOFY is best known for its flagship product, Lynis, which is an open-source security tool designed to assess the security posture, compliance, and hardening levels of Unix-based systems. Lynis helps system administrators and security professionals identify vulnerabilities, misconfigurations, and potential threats, facilitating improvement in system defenses. CISOFY also offers professional services to complement its software solutions, including consulting, training, and support services, aimed at enhancing security and compliance across diverse IT environments.