Security hacker little reason beyond maliciousness or for personal gain" (Moore, 2005). The term was coined by Richard Stallman, to contrast the maliciousness of a criminal hacker versus the spirit of playfulness and exploration in hacker culture, or the ethos of the white hat hacker who performs hacking duties to identify places to repair or as a means of legitimate employment. Black hat hackers form the stereotypical, illegal hacking groups often portrayed in popular culture, and are "the epitome of all that the public fears in a computer criminal". A grey hat hacker lies between a black hat and a white hat
Piebald patch" or spot. The reference is to the distinctive black-and-white plumage of the magpie. In British English "piebald" (black and white) and "skewbald" (white and any colour other than black) are together known as "coloured". In North American English, the term for this colouring pattern is pinto, with the specialized term "paint" referring specifically to a breed of horse with American Quarter Horse or Thoroughbred bloodlines in addition to being spotted, whereas "pinto" refers to a spotted horse of any breed. In American usage, horse enthusiasts usually do not use the term "piebald," but rather describe the colour shade of