What Is a VPN and How Does It Work?
Simply put, a VPN creates a virtual encrypted tunnel between you and a remote server operated by a VPN service. All your internet traffic is routed through this tunnel, so your data is secure from prying eyes. Best of all, your computer appears to have the IP address of the VPN server, masking your identity and location.
When your data reaches the VPN server, it exits onto the public internet. If the site you’re heading to uses HTTPS to secure the connection, you’re still secure. But even if it was intercepted, it’s difficult to trace the data back to you, since it appears to be coming from the VPN server.
When the internet was first being pieced together, there wasn’t much thought given to security or privacy. At first it was just a bunch of shared computers at research institutions, and computing power so limited that any encryption could have made things extremely difficult. If anything, the focus was on openness, not defense.
Protect Yourself With a VPN
Today, most of have multiple devices that connect to the web that are vastly more powerful than the top computers of the early days. But the internet hasn’t made a lot of fundamental improvements. Consider that it is only in the past few years that HTTPS has become widespread.
This means that, unfortunately, it is up to individuals to protect themselves. Antivirus apps and password managers go a long way toward keeping you safer, but a VPN is a uniquely powerful tool that you should definitely have in your personal security toolkit, especially in today’s connected world. Whether you opt for a free service or even go all-in with an encrypted router, having some way to encrypt your internet traffic is critically important.
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