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 ...

LimeRAT is a simple Trojan designed for Windows machines. The malware is able to install backdoors on infected machines and encrypt files in the same way as typical ransomware strains, add PCs to ...

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, ...