Computer users who want to protect their files from theft or discovery have many options for encryption. Probably the most secure and flexible of these is TrueCrypt, a cross-platform, open source application that provides on-the-fly encryption of part or all of a disk, and creates totally undetectable encrypted volumes. Get started quickly with this features guide.

The beginning of September is a busy time for Boston, with students moving in, and pretty much everyone else swapping apartments. If you got caught up in the moving mayhem and are setting up a wireless network in your new home, take a few minutes to follow this guide and make sure it's secure. I will discuss basic WiFi security and the most common misconceptions associated with it.