Do not open unsolicited emails and attachment from people you do not know, and make sure that your security programs are updated to make sure that they can properly detect and remove malware.Getting Started With OneNote for Office 365 With OneNote Online, you can use your web browser to create, open, view, edit, format, and share the OneNote notebooks that you store on OneDrive. While OneNote does warn users that opening attachments could compromise their computer and data, many of them ignore the notification anyway and proceed with launching the file because they trust the source or believe that the document is legitimate.Įven as Microsoft prepares to introduce a security feature to OneNote, it still pays to know how to protect yourself from attacks like this.

These malicious programs can take screenshots and record video using the victim's webcam, and install remote access trojans that can steal cryptocurrency wallets and sensitive information. This, however, introduces the malware to the computer. To hide them and make the OneNote document look legitimate, they will hide the files behind a box that asks the victim to double click to view the document properly. Instead of using macros, which Microsoft is now blocking in Office documents by default, threat actors are now attaching malicious VBS files to a OneNote notebook. This development comes after cybercriminals recently started exploiting OneNote as a way to infect a victim's PC with malware and steal their sensitive data. Microsoft said that this feature would likely reach general availability by April 2023.

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