White hat (computer security) certification covers orderly, ethical hacking techniques and team-management. Aggressor teams are called "red" teams. Defender teams are called "blue" teams. When the agency recruited at DEF CON in 2012, it promised applicants that "If you have a few, shall we say, "indiscretions" in your past, don't be alarmed. You shouldn't automatically assume you won't be hired". White hat (computer security) The term "white hat" in Internet slang refers to an ethical computer hacker, or a computer security expert, who specializes in penetration testing and in other testing methodologies that ensures the security of an organization's information systems. Ethical hacking is
Black and white (police vehicle) painted white. However, motorcycles are usually all white and riot control and rescue vehicles are painted a steel blue. All Traffic Police cars of the Ministry of Transport throughout the 1970s and 1980s were black with white doors and roof. This distinguished them from the all white cars of the New Zealand Police. The Traffic enforcement functions of the MOT were merged into the New Zealand Police in 1992. Today NZ Police vehicles are single colour, usually white, often with Battenberg markings. Until the middle 1990s, the vehicles of the Lisbon Municipal Police were painted with the same pattern of