Lynis is a security auditing tool for UNIX-based systems like Linux and macOS. It scans for vulnerabilities, configuration issues, and compliance with standards such as ISO27001 and PCI-DSS. System administrators and security professionals use it to enhance system defenses.

Wazuh is an open-source security platform for threat prevention, detection, and response across various environments, including on-premises and cloud. It features agents for monitoring systems and a management server for data analysis, integrating with the Elastic Stack for enhanced visibility. Key functionalities include intrusion detection, log analysis, and compliance monitoring.