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
Hiking apparel Hiking apparel Hiking apparel is clothing, footwear, headwear, and other items worn that are suitable for hiking, including trousers, sweaters, underwear, and hiking boots. Hiking apparel is usually selected to suit predicted weather conditions, taking into account UPF rating (Ultraviolet Protection Factor), weight, water and wind resistance. Today's hiking apparel is more advanced than previous years, having material that can be wind resistant, water-repellent and yet breathable, and lightweight. Some hiking apparel is designed to be "breathable", drawing moisture away from the body while protecting from the weather. Usually three layers of apparel are worn on a rough-weather hike, the