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 ...

If you want something done right, do it yourself. That may sound trite, but it rings true as advice for securing files that you’ve stored online. Several recent incidents—including breaches of Dropbox ...

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 ...

Encryption is hard. When NSA leaker Edward Snowden wanted to communicate with journalist Glenn Greenwald via encrypted email, Greenwald couldn't figure out the venerable crypto program PGP even after ...