Ever download a folder full of files, only to notice all of the documents inside are zipped shut and encrypted—basically the digital version of Fort Knox? These are examples of the ever-wonderful, yet ...

While Windows doesn't give you the ability to create encrypted ZIP files, software like 7Zip does. If you choose the standard ZIP encryption (weak encryption) when making the ZIP file, then Windows ...

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.

Reflect for a moment on the fact that the “S” in SMTP stands for “simple,” not “secure.” The e-mail protocol was originally developed for a small number of collegial scientists sending messages about ...