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There are several open source vulnerability scanners for Linux, like OpenVAS. While tools like these are powerful as well, we will have a look at Lynis, our auditing tool to detect vulnerabilities of Linux and Unix systems. Why is it different than others and how can it help you in securing your systems? Vulnerabilities Every piece of software will have sooner or later a vulnerability, a minor or major weakness which can be abused by evildoers.

The question regarding the need for antivirus for Linux is after years still relevant. It is asked at forums and shows up regularly at Quora. As the original author of rkhunter, a malware scanner for Linux and Unix systems, I analyzed many malicious software components. You might be wondering that if there is malware, there is also a need for a scanner, right? It is actually not that easy to answer.