Security hacker another crime such as destroying information contained in that system". These subgroups may also be defined by the legal status of their activities. A white hat hacker breaks security for non-malicious reasons, either to test their own security system, perform penetration tests, or vulnerability assessments for a client - or while working for a security company which makes security software. The term is generally synonymous with ethical hacker, and the EC-Council, among others, have developed certifications, courseware, classes, and online training covering the diverse arena of ethical hacking. A "black hat" hacker is a hacker who "violates computer security for
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