Much like in the movie The Matrix, where the world presented to the computer user is not a true representation of what is really going on, a rootkit is a program that can be used to hide files, ...

Listen to the Computerworld TechCast: Rootkits. If an illegal hacker wants to do something to your system, such as plant a virus, a Trojan horse program or spyware, he has to gain access to the system ...