VPNは、コンピュータをリンクしてプライベートネットワークを作成するために使用される一連のテクノロジです。
A Virtual Private Network, or VPN is a set of technologies which are used to link computers to create a private network. Another network is used to carry the data, which is encrypted. ... Message integrity: Messages transported across the network cannot be changed easily while they are in transport.