Documentation Do you like this software? Star the project and become a stargazer. lynis Lynis - Security auditing and hardening tool, for UNIX-based systems. Lynis is a security auditing tool for systems based on UNIX like Linux, macOS, BSD, and others. It performs an in-depth security scan and runs on the system itself. The primary goal is to test security defenses and provide tips for further system hardening. It will also scan for general system information, vulnerable software packages, and ...