Lynis 1.6.1 - Version which includes a non-privileged scan (--pentest)
Lynis is a security auditing tool for the Linux, Unix and Mac  platform. Being open source and free to use, it is an accessible and  great solution to perform security scans. Within just a matter of  minutes, it displays the weaknesses in your defenses, and tips for  improving them. While Lynis was initially an auditing solution, version  1.6.1 brought a very exciting new pentest option (--pentest). It allows  to perform a non-privileged scans, so root access is not longer needed.  Great for pentesting and to determine if there are other holes to  exploit.
This tool is the result of 7 years of development and much feedback  by the community. Now it supported by the original author and his  company, development is active and regular updates are being released.  The author also stated Lynis would remain free and open source. His way  of giving back to the community and make sure nice tools do not get  behind a paywall.
