What is a VPN and how does it work? A complete guide to virtual private networks A VPN, or virtual private network, is a secure tunnel between your device and the internet. VPNs protect you from snooping, interference, and censorship., A VPN, or virtual private network, encrypts your internet connection for private, secure online access. Learn how VPNs work, types, benefits, and key use cases., VPN stands for "Virtual Private Network" and describes the opportunity to establish a protected network connection when using public networks. VPNs encrypt your internet traffic and disguise your online identity. This makes it more difficult for third parties to track your activities online and steal data. The encryption takes place in real time. How does a VPN work, and why do you need one? A , , , .