Researchers from Mimecast have recently observed a campaign where threat actors are using a somewhat rarely seen but easy method to distribute malware using Microsoft Excel's standard file encryption ...

Encrypting files, folders, and drives on your computer means that no one else can make sense of the data they contain without a particular decryption key—which in most cases is a password known only ...

If you want your Microsoft Excel spreadsheet to have a little more protection, you can encrypt its data by setting a password. You can also remove the password at any ...

I’m going to demonstrate how to do this from the command line. There are other tools for this process, but this particular method is fairly universal across all Linux distributions. Where FILENAME is ...

I have a number of spreadsheets that I use to store sensitive information. Usernames, passwords, etc. These documents are password protected themselves, but if they're anything like "protected" PDFs, ...