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
Self colour Self colour A self colour refers to the top coat colouration of several domestic animals, such as dogs, pet rodents and cats. It refers to hairs of a uniform shade, with no banding or tipping of another colour. A true "self" coloured animal should also have no white markings such as bibs or blazes. However, other definitions exist. In contrast, a "sable" (dogs), "ticked" (dogs or cats) or "agouti" (cats or rodents) coat has two or more different colours along the shaft of the hair, with one colour at the base and usually a darker colour, such as black, at