Audit the security of your Unix/Linux systems using lynis
Lynis is an auditing tool for unix/linux like systems which is used to scan the entire unix/linux systems for security issues, installed software informations, general system information, configuration issues or mistakes, software patch management, malware and vulnerability, firewall auditing, user accounts without passwords, invalid file permissions and many more.
This tool is quite often used for novice system administrators, system auditors, network and security specialists. The notable feature of this tool is easy to use and it tests and gathers the linux systems security informations in few minutes. Sounds good, why don’t you give it a try?