Everyone hails Linux for its built-in security. Compared to Windows or other operating systems, the way Linux assigns file permissions is different. The infrastructure is much more robust. Plus, malware creators tend to target Linux less often due to it having a smaller percentage of users in general. Thus, there are fewer potential targets to exploit. But when it comes to cybersecurity, there is no such thing as being too careful. So if you want to go the extra mile, you should install some additional tools on your Linux PC. You can start with these five.