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 ...

A new campaign is spreading the LimeRAT Remote Access Trojan by harnessing an old encryption technique in Excel files. In addition, the modular Trojan can spread through connected USB drives, ...

Microsoft Excel has been one of the go-to spreadsheet apps for several decades, and it's developed an array of tricks throughout its lifetime, not just for making data entry, editing, and organization ...

In this post, we will see how to password protect PDF, Excel, Word, Office documents, OneNote notes, Files, Folder, Zip file, Games, Images, applications, installed ...

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, ...