Defeats censorship, be it government censorship on political, social, or religious grounds, or website blocking by your school or workplace network administrator.Although these could be viewed as side effects, they are the main reason many people use a VPN: Prevents untargeted mass surveillance by the NSA or your government.Īlmost as a by-product of how VPNs work, using a VPN offers important additional advantages.Because a VPN prevents your ISP from seeing the information you send and receive online, it therefore also: Protects you from WiFi hackers when using insecure public hotspots.Īll mass surveillance systems in the world rely on ISPs logging their users’ browsing histories and making these logs available to government agencies.Prevents public WiFi hosts from selling your browsing habits to advertisers.Prevents websites you visit from knowing your real IP address.Prevents your internet service provider from seeing your activity online.This deceptively simple setup is very useful.

This is great for bypassing censorship and “spoofing” your geographic location. VPN providers (including Proton VPN, of course) maintain VPN servers located all over the world.The VPN server sits between your ISP and the internet, blocking your ISP from seeing your online activity and preventing the websites you visit from seeing your real IP address.The connection between your device and the VPN server is encrypted, preventing your internet service provider (ISP) from seeing the contents of your data as it travels between them.A VPN app connects your device to a VPN server, which is run by a VPN provider (such as Proton VPN).It connects your computer, smartphone, or tablet to another computer, called a VPN server, via an encrypted “tunnel” that protects your data from prying eyes. What is a VPN?Ī virtual private network (VPN) is a suite of technologies, the primary aim of which is to improve your privacy when using the internet. Our sister article, How does a VPN work?, provides a more detailed and technical overview of what is going on under the hood. This article explains what VPNs are, what they do, and whether you need one. An almost daily drumbeat of data breaches and online privacy violations has fueled public interest in VPN services such as Proton VPN.

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