See that list above? That, my sysadmin friend, is your nightmare. It’s a list of all of the root kits, worms, and Loadable Kernel Modules (LKMs) that, should they get into your system, will make your computer as secure as a wet paper bag. One of the best defenses against these malware is chrootkit. Listed in the "Top 100 Network Security Tools" survey, 2006 edition by insecure.Org, chrootkit is one of the best tools for keeping your system clean or, at the very least, knowing when it isn’t.