A steady increase in advanced persistent threat (APT) groups targeting Linux resources has prompted researchers to share the details of these attacks and explain the misconceptions around Linux security. Cyberattackers have PHP backdoors, rootkits, exploit code written for Linux, but many businesses aren’t very worried about it. The implications are dangerous. As a result, information security departments and the security teams at software vendors are less focused on mitigations for this problem, creating a situation in which organizations have less visibility.”]
Source: https://www.darkreading.com/attacks-breaches/apt-groups-set-sights-on-linux-targets-inside-the-trend