Protect yourself from malware: Block OneNote files in Outlook

With Microsoft blocking VBA macros by default in Office applications, hackers are looking for new ways to send malware through emails. OneNote files are a new way for hackers to work. This is how you protect yourself from this.

Microsoft decided to release VBA (Visual Basic for Applications) macros last summer Blocked by default. Meanwhile this rule has been rolled out to all versions of Office from 2013 and Microsoft 365.

The decision benefits the security of the Outlook user. Office macros are displayed through search The most common attack technique for phishing attempts. The recipient gets a warning to better keep files in protected view, but most people don’t care.

Macros are a type of programming language built into Microsoft Office that allow users to automate functions. In short, they give your Word or Excel document the power of an executable file with the .exe extension. for example.

new ways

Now that the old gateways are blocked, hackers are looking for a new entrance to your computer and data. The new way of working is clear With OneNote files. These files should contain a DHL invoice, shipping document, or remittance form. Hackers will convince the recipient to download the files by placing texts like “double click to view file” in front of a blurry image. Double-clicking will start the process of downloading the infected files.

To protect yourself from such antics, it’s a good idea to block OneNote file types by default. We explain how this works with versions of Outlook from Outlook 2010.