Encryption is an essential tool for protecting data—but the technology can be a bit confusing. This ebook explains what encryption is, how it works, and why it’s so important. From the ebook: ...

Towing the line between keeping your private information secure and still conveniently accessible is always a challenge, but you can make it a little easier—and fun—by coming up with your own simple ...

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 ...

There's a lot to know about encryption, and the ins and outs can get confusing. Here's a rundown of what professionals need to know about this fundamental of modern computing. Data: It’s everywhere, ...

To decrypt the message, the process is reversed. Caesar ciphers are often shown using a Caesar cipher wheel diagram, to illustrate that when the end of the alphabet is reached it goes around again.

You’ve been distributing unsecured video from your website, and you’ve decided that you need content protection in the form of digital rights management (DRM). Perhaps it’s to protect premium content ...