Virtual Private Network is the elaboration of VPN, and it is a technology that allows you to connect one or more computers to a private network usually via the Internet.
It is the connection pathway of communication from start to end with different control points through which the data packages travel. While using a VPN, encryption, and authentication protect the network traffic where the data package travel.
There are some core reasons for which you should not use Internet access without an authentic VPN. First of all, a VPN allows you to connect securely and remotely to private networks.
You can also link to different networks, even with servers, in a safer way. Secondly, it allows you to serve safely on public Wi-Fi networks, shopping malls, hotels and coffee shops which are free but threatened without VPN for your security.