This simple USB trick adds physical security to your PC without buying extra hardware.

Privacy and security concerns are becoming more commonplace as data sharing becomes more commonplace. Here's how to lock down your computer via USB key.

Here's a new twist on an old idea. We've seen USB (and even serial) dongles before that you need to keep plugged into a PC in order for a certain application to work. QiGO LLC has put a spin on that ...