TechRepublic

Cisco Talos report: Threat actors use known Excel vulnerability

The use of .XLL Excel files by threat actors to infect computers with malware is growing fast. Learn more about this relatively new technique and how to protect from it. Image: Sashkin/Adobe Stock ...
ZDNet

There's been a big rise in phishing attacks using Microsoft Excel XLL add-ins

A wave of cyberattacks is exploiting Microsoft Excel add-in files in order to deliver several forms of malware in campaigns that could leave businesses vulnerable to data theft, ransomware and other ...
Bleeping Computer

Microsoft Excel now blocking untrusted XLL add-ins by default

Microsoft says the Excel spreadsheet software is now blocking untrusted XLL add-ins by default in Microsoft 365 tenants worldwide. The company announced this change in January with a new entry added ...
Bleeping Computer

Malicious Excel XLL add-ins push RedLine password-stealing malware

Cybercriminals are spamming website contact forms and discussion forums to distribute Excel XLL files that download and install the RedLine password and information-stealing malware. RedLine is an ...
Infosecurity-magazine.com

Microsoft to Block Excel XLL Add-Ins to Stop Malware Delivery

Microsoft has announced plans for its 365 customers to automatically block all XLL add-in files downloaded from the internet to prevent phishing attacks relying on these types of lures. Writing on its ...