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black hat

noun, Informal.
a villain, as in a cowboy movie; bad guy.
Digital Technology. a hacker who violates the security of a system for personal profit or for the gratification of causing damage.
wear / put on a black hat, to behave villainously.
Compare white hat. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for black-hat

black hat

  1. a computer hacker who carries out illegal malicious hacking work
  2. (as modifier): black-hat hackers Compare white hat
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Slang definitions & phrases for black-hat

black hat


: the black-hat rustler in the horse opera

noun phrase

  1. A villain; heavy: The only way I can do that is to make you the black hat/ This time, perhaps, there are black hats on both sides
  2. he badge or symbol of a villain: Companies have this black hat on when they go to court


: They do not try to penetrate security systems or conduct clandestine tests... ''There is no black-hatting''

[1970s+; frtheHollywoodtraditionthat villains in western movies always wore black hats]

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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