VPN or Virtual Private Network has become an app known to be effective in fighting against cyber or internet crimes. Thus, now, each of systems has already provided their own VPN such as vpn for iphone, for example. There are several functions of the Virtual Private Network technology and one of them is confidentiality.
VPN is a technology that uses the internet or public network which is very vulnerable to theft of information or data. Then the VPN using the method of encryption to scramble data passed. By using the encryption method, the data security will be adequately secured from data theft. Although there are those who can tap the data passing through the Internet or the path of the VPN itself, but not necessarily the tap can read the data because the data have previously been scrambled. It can be concluded from this confidential function means that the data which is transmitted will only be accessible to people who are entitled to it.