When to use a VPN—and when it won’t protect your data

- Internet service providers, hackers and others can collect a treasure trove of user data. VPNs can offer more privacy…sometimes.
Virtual private networks, better known asVPNs, are shrouded in mystery. These software tools are meant to hide the data coming in and out of your phone or PC, to make web browsing and other activity more private. But it isn’t always that simple.