Learn to use the cipher utility with confidence. This Daily Drill Down walks you through using every cipher switch and shows you exactly what happens in the real world when you use these switches.

One particularly challenging problem that many IT pros face sooner or later is that of recovering data that has been encrypted using EFS. In this article, I will give you some EFS recovery tricks to ...

There are numerous commands for encrypting files on Linux. When you want to limit access to file contents, you can use file permissions but file encryption makes limiting access much more effective.

A stream cipher is an encryption method in which data is encrypted one byte at a time. In this method, a cryptographic key and algorithm are applied to each binary digit in a plaintext data stream to ...