Internal network, referred to as intranet, is a companywide network, closed to public access, that uses the infrastructure and standards of the Internet and the Web. It may consist of many interlinked local area networks and also use leased lines in the wide area network. Typically, an intranet includes connections through one or more gateway computers to the outside Internet. The main purpose of an intranet is to share company information and computing resources among employees. Employees in the company can communicate to each other and access company information by intranet.