The principle goal of this article is to know about virtual private network. Virtual Private Network, typically called VPN, is a come through in tunneling knowledge. Through this private network, packets of information exceed during a virtual tunnel where it becomes encrypted, therefore not possible to decrypt when obtained. Because of computer technology, the majority of the things citizens do are connected someway to the computer. Several people cannot go through the day devoid of accessing their computers, largely to use the internet. Other even attach to the web by using their mobile phones.