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) black and white colour scheme for newly acquired vehicles starting in 2011; existing vehicles retain their white colour scheme. Abbotsford Police Department of Abbotsford, British Columbia now has a black and white scheme for their vehicles. Saanich Police have chosen a blue and white version for their cars. South Coast British Columbia Transportation Authority Police Service in British Columbia also uses a black and white scheme. Vancouver, Victoria, Port Moody, New Westminster, and Central Saanich are all using black and white police cars. West Vancouver Police Department in British Columbia also has started to use the black and white livery.