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 village to finish the buildings in a black and white veneer. In earlier times, the oak would not have been stained, but retained its natural colour and the walls would have reflected the colour of the local clay, generally a pink colour, rather than a white whitewash lime. A 40-mile (64 km) circular tourist trail known as the "Black and White Village Trail" was developed in 1987 as a means of encouraging tourists to take a closer look at the Herefordshire villages, heritage and countryside. The trail was developed mainly for travel by car, but it is also possible to make