Why You Need a VPN—and How to Choose the Right One

Everybody’s snooping on your internet traffic. Here’s how to stay hidden.

On the internet, you never know who’s watching. So maybe you should assume it is everyone: hackers, Google, your internet provider, the person next to you at Starbucks. The eyes are everywhere.

Your best defense? Camouflage. By using a virtual private network, or VPN, you can keep your activity and data far more secure. Once used mostly for remote workers to access their office networks, VPNs have become a tool more and more people use—or should use. A VPN can protect you from snooping hackers on public Wi-Fi networks in places...