- 1Used in reference to a bad person, especially a villain or criminal in a movie, novel, or play: we are the good guys—the black hats lostMore example sentences
- "I want to see the white hats win and the black hats dangling from the end of a rope."
- A cursory glance at the history of the conflict reveals it is not just the guys in the black hats who have found it useful.
- This isn't an airport novel, with white hats and black hats, moral certitude and a nice conclusive ending.
- 1.1 Computing , • informal A person who hacks into a computer network with malicious or criminal intent: black hats have a history of disassembling source code and looking for lapsesMore example sentences
- If they do this with full knowledge and authorization of the affected company, they are white hats; if they criminally exploit the vulnerabilities, they are black hats.
- The fact is, of course, that the computing world's black hat brigade don't give a monkey's what platform you're using.
- According to security clearing house CERT, an exploit based on the vulnerability is yet to be used by black hats.
1950s: from the color of the hat traditionally worn by the bad character in westerns. Compare with white hat.
More definitions of black hatDefinition of black hat in:
- The British & World English dictionary