Shoe shops and security operation centers have something in common. One size fits all solutions are not a great idea in either area. Unfortunately for security professionals trying to secure Linux servers, purpose-built Linux solutions are frustratingly hard to come by.
Even solutions marketed as protecting Linux servers are not purpose-built to defend against advanced threats like ransomware and targeted malware. This is partly due to a lack of awareness among vendors and customers. The myth that “Linux doesn’t need antivirus” is still common. And unfortunately, solutions developed for Windows environments don’t fully cover the attack surfaces created by Linux server deployments—regardless of what a vendor’s marketing material says.
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Linux and Windows Servers Now Face a Similar Threat Level
The Linux kernel might have a historic reputation for being more secure than Windows. But building layered security on Linux servers has become critical since the Covid-19 pandemic shifted almost all white collar work to home offices that rely on cloud and web applications that are overwhelmingly powered by Linux.
This is obvious just by looking at the growing volume of threats targeting Linux. In 2021, there were 35 percent more attacks on Linux servers than in 2020.