https://surfsmartvpn.co.uk/what-is-a-vpn/
VPN technology initially was used by companies. Companies used it to gain access to private corporate networks. The VPN allowed workers to operate from anywhere and file sharing between offices was possible. Since security issues became increasingly commonplace, VPN use spread to the home user as well. VPNs are used by numerous users every single day. VPNs create secure tunnels over the Internet through the Internet. They connect remote computers to the organization's network through an PE (point-to-point security device) and a server called a