Jan 20, 2016. What is a VPN? A VPN, or Virtual Private Network, is a service that allows you to connect to the internet via a server run by a VPN provider. All data traveling between your computer, phone or tablet, and this “VPN server” is securely encrypted. As a result of this setup, VPNs: vpns_for_beginners. Provide. VPN Server Definition – A VPN server is a type of server that…