the villain or bad guy, especially in a western movie in which such a character would wear a black hat in contrast to the hero’s white hat. The phrase is often used figuratively, especially in computi [..]

Unethical search engine optimisation is often referred to as being Black Hat. These techniques can get your site penalised or completely delisted from the search engines.

A person of malicious intent who researches, develops, and uses techniques to defeat security measures and invade computer networks. See white hat

A term used most frequently in relation to Information Technology or Information Security referring to a person (especially a hacker who uses their skills and resources for personal gain or malicious intent. Believed to come originally from old Western movies, where the "bad guy" would often wear a black hat!

a term used to describe a hacker who has the intention of causing damage or stealing information bypass

Hitting three double-bulls in one throw

Reference to the Inner Bull Eye (When the Centre Bull is Black!)

Hitting 3 double bulls in one throw

A villain or bad guy in a story, ''especially'' in a Western (a film or other work of the Western genre). (computing,slang) A malicious hacker