Security News > 2023 > March > Microsoft OneNote to get enhanced security after recent malware abuse
Microsoft will introduce improved protection against phishing attacks pushing malware via malicious Microsoft OneNote files.
To thwart phishing attacks using malicious Microsoft OneNote attachments, you can set up secure mail gateways or mail servers to automatically block OneNote documents with.
Windows admins can also use Microsoft Office group policies to prevent embedded OneNote files from launching.
To do that, you must install the Microsoft 365/Microsoft Office group policy templates and enable the 'Disable embedded files' and 'Embedded Files Blocked Extensions' Microsoft OneNote policies.
Attackers have been spotted abusing OneNote files for various malicious purposes, including downloading and installing malware payloads like info stealers.
The switch to OneNote came after Microsoft finally disabled Word and Excel macros by default and patched a MoTW bypass zero-day used to deliver malware via ISO and ZIP files.
News URL
Related news
- CISA warns of Microsoft Streaming bug exploited in malware attacks (source)
- Microsoft Copilot for Security prepares for April liftoff (source)
- Microsoft’s Security Copilot Enters General Availability (source)
- DarkGate Malware Exploited Recently Patched Microsoft Flaw in Zero-Day Attack (source)
- Microsoft confirms memory leak in March Windows Server security update (source)
- Vultur banking malware for Android poses as McAfee Security app (source)
- Winnti's new UNAPIMON tool hides malware from security software (source)
- Microsoft slammed for lax security that led to China's cyber-raid on Exchange Online (source)
- Microsoft slammed for lax security that led to China's cyber-raid on Exchange Online (source)
- Microsoft fixes Outlook security alerts bug caused by December updates (source)