18 reactions | VPN stands for virtual private network, and it is a cheap and very effective way to secure your connection and help to anonymize your web traffic. But what is VPN? How does it work? Why should I use a VPN on public wifi? In this video our cyber security expert answers these most searched questions about VPN. Watch the full video: https://www.youtube.com/watch?v=WCyF3qMtycE | F-Secure | Facebook