There are many reasons you might want to protect an Excel worksheet with Read-only mode. Maybe you don't want someone to erase data from a workbook accidentally, or you want to make sure a file is not ...

You may have gotten an Excel file from someone, but you’re not able to edit it due to a strange Read-only notification. There are several ways to get around this problem, and like always, we are going ...

We've got a use case where we have ~40 users with Office 365 essentials licenses (so no locally installed Office apps) who need read-only access to a few Excel files. They need to be able to open the ...

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 ...

Attackers can attempt to hide malicious payloads in Excel files sent by e-mail by using a standard Excel feature, according to a Tuesday post by Mimecast researchers. It turns out that automatic ...

Microsoft designed Excel with an optional feature that prompts users to view a workbook in a read-only mode and save edits under a different file name. Many business ...

Researchers from Mimecast reported this week that attackers are hiding malicious payloads in Excel files sent by e-mail by using a standard Excel feature. It turns out that automatic encryption of ...

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, ...

An old RAT learns an old trick. Researchers have discovered a fresh campaign using Excel files to spread LimeRAT malware – making use of the hardcoded, VelvetSweatshop default password for encrypted ...