Rootkit

A rootkit is a stealthy type of software, typically malicious, designed to hide the existence of certain processes or programs from normal methods of detection and enable continued privileged access to a computer. The term rootkit is a concatenation of `root` (the traditional name of the privileged account on Unix operating systems) and the word.....
Found on http://en.wikipedia.org/wiki/Rootkit

Rootkit

A set of programs used by hackers to gain access to information contained in your operating system a
Found on http://www.superglossary.com/Glossary/Technology/Computers/
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