VPN allows you to create a virtual network like a local one, but the computers are not physically connected to each other. It is capable of transferring corporate IP traffic using the secure protocol. VPN technology provides a high data protection against unauthorized access and each user has unique login and password. The privacy is protected by using encryption protocol or the Internet Protocol Security (IPSec) The type of used environment is divided into secure VPN, which includes IPSec, OpenVPN and PPTP VPN on the trust network.”]