VPNVirtual Private Network

PN is an acronym for Virtual Private Network (Virtual Private Network). Even if you can guess from the name of nature: a virtual private network is a network linking the various places of business using the Internet as a means of transport. The network is private, because it can be accessed and used only by authorized users. Furthermore, it is virtual, because in fact there are no long cables directly between a home and another. There is rather the Internet, which serves as a means of transport for private data network. The data travels after being encrypted, eliminating the risk that a hacker can intercept them. Through the VPN can be connected not only the company's headquarters. Although an employee can access it away, reaching in this way data and functions of the corporate network as if it were in the office (documents on the server, mail, other PCs in the home). For this reason, in need of a VPN is not only multi-site companies, but also companies with only one office, that this will enable staff to access anywhere, at home or on the train. VPN does not have a serious investments. You need only the router used for Internet access and / or a small application in the enterprise server. Having a VPN and VoIP, it means being able to communicate between locations for free, using the Internet to call.