Definition of rootkit in English:

rootkit

Syllabification: root·kit
Pronunciation: /ˈro͞otˌkit
 
/

noun

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

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