Virtual Private Networks allow users to securely access a private network and share data remotely through public networks. VPNs use a combination of dedicated connections and encryption protocols to generate virtual P2P connections. Even if snoopers did manage to siphon off some of the transmitted data, theyd be unable to access it on account of the encryption. Many security protocols have been developed as VPNs, each offering differing levels of security and features. Many VPNs are hugely popular with corporations as a means of securing data when connecting remote data centers.”]
Source: https://gizmodo.com/vpns-what-they-do-how-they-work-and-why-youre-dumb-f-5990192