TDinformalTDsomeone who secretly uses or changes the information in other people's computer systems:
A hacker had managed to get into the system.
the threat of hacking and computer viruses
WORD FOCUS: computer WORD FOCUS: computer people who work with computers:user, programmer, web designer, IT person, software engineer, (systems) analyst, administrator, webmaster, helpdesk, techieinformal, geekdisapproving informal someone who tries to break into a computer system:hacker, cracker things you do with your computer:start up/power upyour computer opena file or document enterinformation click onan icon cut and pastepieces of text copyfiles or programs scroll up and down the page deletethings you do not want downloadfiles or pictures from the Internet burnCDs or DVDs closea file or document saveyour work shut downyour computer computer problems:bug, virus, error, corrupted file/data, crash, wormcomputer ➔ See alsocomputer
Definition of hacker from the Longman Dictionary of Contemporary English within the topic COMPUTERS