How to check if your VPN is working

One of the disconcerting things about using a virtual private network (VPN) is that it can be hard to tell when it's doing its job. The best VPNs all work in the background to keep your IP address hidden and your communications with their servers encrypted. The better the VPN, the less you notice it, which can make a top-performing VPN feel (uncomfortably) like one that isn't working at all.

Luckily, you've got options for checking whether your VPN is working — other than just taking the app at its word. In this article, I'll cover the basics, then go through five different tests you can run to make sure you're actually using an encrypted VPN server. For each test, I'll explain what kind of problem it's looking for, how to run ...