If you have a PC running a version of Windows more ... It's also important to consider the differences between a VPN and a firewall when choosing the best service for your needs.

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years ...

A firewall is a tool that allows you to keep an eye on network traffic that's sent from and received by your computer. You can think of it as a gate between your computer and the internet.