hacker Definition in the Cambridge English Dictionary
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Definition of “hacker” - English Dictionary

Definition of "hacker" - American English Dictionary

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hackernoun [C]

 us   /ˈhæk·ər/
a ​person who is ​skilled in the use of ​computersystems, often one who ​illegallyobtainsaccess to ​privatecomputersystems: Hackers are a ​majordefensedepartmentconcern.
(Definition of hacker from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "hacker" - British English Dictionary

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hackernoun [C]

uk   /ˈhæk.ər/  us   //
(also computer hacker) someone who ​hacks into other people's ​computersystems (also phone hacker) someone who ​hacks into another person's ​phone and ​listens to ​theirmessages
(Definition of hacker from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

Definition of "hacker" - Business English Dictionary

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hackernoun [C]

uk   us   /ˈhækər/ IT
someone who ​illegally uses a ​computer to ​accessinformationstored on another ​computersystem or to ​spread a ​computer virus: The ​softwarecompany said that more than 30,000 ​computers were ​hijacked by hackers each day and used to ​illegallysend out ​spam. Installing a ​firewall is one ​method of ​trying to ​protect against hackers. Hacker attacks, ​financialfraud, and ​datatheft are now everyday ​concerns. a computer/​internet hacker a criminal/​malicious hacker
(Definition of hacker from the Cambridge Business English Dictionary © Cambridge University Press)
Translations of “hacker”
in Chinese (Simplified) 黑客,非法侵入他人计算机者…
in Turkish bilgisayar korsanı…
in Russian хакер…
in Chinese (Traditional) 駭客,非法侵入他人電腦者…
in Polish haker…
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