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 ...

There are many reasons to encrypt files — even on a system that is well maintained and comparatively secure. The files may highly sensitive, contain personal information that you don’t want to share ...

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 ...