The Tech Tray weblog has posted a tutorial for hiding secret files inside JPEG images using the popular Windows archiver, WinRAR, and a little command line magic. Basically, you create a .rar archive ...

True story: A friend of mine—a programmer I’ll call Annie—came home one day to find her new town house burglarized. Among the stolen items was the PowerBook she used for work. While she hoped that the ...

The creator of Cryptocat, Nadim Kobeissi, is back with another easy-to-use encryption tool. This time it’s a Chrome app that aims to make it easy to create and share single encrypted files with others ...

Full disk encryption is the most commonly used encryption strategy in practice today for data at rest, but does that mean it’s sufficient to prevent unauthorized access to your data? The short answer: ...

I'm looking to encrypt a file with OpenSSL functions (blowfish, des, rc4-- haven't picked one yet). Anyhow, after decrypting a file, I need to know if the file was correctly decrypted. The only way it ...

Reader Bob Ross is interested in encryption. In anything-but-cryptic fashion he writes: I want to quickly encrypt one folder at the end of the day. Disk Utility is too much trouble and amazingly doesn ...

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 ...