Hacker be mitigated. White hats are usually employed by the target system's owner and are typically paid (sometimes quite well) for their work. Their work is not illegal because it is done with the system owner's consent. Black hats or crackers are hackers with malicious intentions. They often steal, exploit, and sell data, and are usually motivated by personal gain. Their work is usually illegal. A cracker is like a black hat hacker, but is specifically someone who is very skilled and tries via hacking to make profits or to benefit, not just to vandalize. Crackers find exploits for system vulnerabilities
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