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A VPN or Virtual Private Network is a method used to add security and privacy to private and public networks, like WiFi Hotspots and the Internet. VPNs are most often used by corporations to protect sensitive data.
VPN stands for Virtual Private Network . As the name indicates it helps to connect an computer in private network virtually by using an public IP computer. For clear explanation example in order to access our company files from home we need to enter the company domain if our company created domain before. So this VPN service helps to connect an public IP work-group computer to access private IP domain system by providing an user access from Administrator and also opening an port from Server
VPN stands for Virtual Private Network.