Security hacker computers and computer networks, and that cracker is the more appropriate term for those who break into computers, whether computer criminal (black hats) or computer security expert (white hats). A 2014 article concluded that "... the black-hat meaning still prevails among the general public". In computer security, a hacker is someone who focuses on security mechanisms of computer and network systems. While including those who endeavor to strengthen such mechanisms, it is more often used by the mass media and popular culture to refer to those who seek access despite these security measures. That is, the media portrays the 'hacker'
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