Putting sensitive data in email messages or cloud storage should give you the heebie-jeebies, but a good dose of cryptography can give you peace of mind. Pretty Good ...

You probably have documents on your desktop operating system that contain sensitive information. So what do you do to protect that data? You could hide the document in an obscure folder -- but that's ...

Encrypting your PC is one thing, but how do you keep it backed up? And how do you maintain easy access to the files if you work on several computers at different times? One author I know has two ...