- Lynis home page: https://cisofy.com/lynis/
- How Lynis and auditd are different: https://linux-audit.com/how-are-auditd-and-lynis-different/
- OpenVAS home page: http://www.openvas.org/
- Snort home page: https://www.snort.org/
- Nikto home page: https://cirt.net/nikto2
- Security Onion home page: https://securityonion.net/





















































