Definition of rootkit in English:

rootkit

noun

Computing
  • A set of software tools that enable an unauthorized user to gain control of a computer system without being detected.

    • ‘Today, anything that tries to hide its presence is often refered as a rootkit.’
    • ‘Simply click on the arrow above to stream a podcast about rootkits through your browser.’
    • ‘Simply click on the arrow above to stream the podcast about rootkits through your browser.’
    • ‘Tucked away in a hidden directory, the rootkit is supposed to help "cloak" critical files selected by the fingerprint verification function.’
    • ‘And, of course, there are reports that the root kit sometimes crashes servers.’

Pronunciation:

rootkit

/ˈro͞otˌkit/