If you want to stay safe and anonymous online, it's important to understand the difference between a proxy and a VPN.

I'm a senior analyst charged with testing and reviewing VPNs and other security apps for PCMag. I grew up in the heart of Silicon Valley and have been involved with technology since the 1990s.

Microsoft researchers have slashed desktop energy use with a sleep proxy system that maintains a PC's network presence even when it is turned off or put into standby mode. 10 Microsoft research ...