You must have heard of "VPN". You might even be using one right now and want to brag about how it keeps your network "se ...

Want to look at some photos or open documents that are on your computer at home? Switch off the light and turn on the heating? You can do all of this even when you are out of the house by using a VPN.

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources ...