Lynis

Lynis is a battle-tested security tool for systems running Linux, macOS, or Unix-based operating system. It performs an extensive health scan of your systems to support system hardening and compliance testing. The project is open source software with the GPL license and available since 2007.

What Lynis provides

• Security auditing
• Compliance testing (e.g. PCI, HIPAA, SOx)
• Penetration testing
• Vulnerability detection
• System hardening

Supported systems

Lynis runs on almost all UNIX-based systems and versions, including:

AIX

FreeBSD

HP-UX

Linux

macOS

NetBSD

NixOS

OpenBSD

Solaris

and others

It even runs on systems like the Raspberry Pi, IoT devices, and QNAP storage devices.