Black hat, blackhats, or black-hat refers to:
Computing Black hat (computer security), a computer hacker who violates laws or typical ethical standards for nefarious purposes Black Hat Briefings, a security conference
Arts, entertainment and media Blackhat (film), a 2015 film Black hat, part of black and white hat symbolism in film Black Hat, a character in the television series Villainous
Other uses Black Hat, New Mexico, a community in the United States Black Klobuks or "black hats", a group of Turkic-speaking tribes Haredi Judaism, whose adherents are colloquially referred to as "black hats" Iron Brigade or the Black Hats, a unit in the Union Army during the American Civil War Black hats, Special Skills Instructors in the United States Army Airborne School Black hat, in de Bono's Six Thinking Hats
See also Black Cap (disambiguation) White hat (disambiguation) Black Hat Jack, an American novella written by Joe R. Lansdale