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- Dictionaryblack hat
noun
- 1. a bad person, especially a villain or criminal in a film, novel, or play: "we are the good guys—the black hats lost"
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noun
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A black hat is a computer hacker who violates laws or ethical standards for nefarious purposes, such as cybercrime, cyberwarfare, or malice. These acts can range from piracy to identity theft. A Black hat is often referred to as a "cracker". Wikipedia