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 ...
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 ...
JournalofAccountancy

Cyberattacks via Excel add-ins jump nearly 600%

A new report urges Microsoft Excel users to take action to protect themselves from a dramatic rise in cyberattacks using malicious add-in files. In its Threat Insights Report for the fourth quarter of ...
Bleeping Computer

Malicious Microsoft Excel add-ins used to deliver RAT malware

Researchers report a new version of the JSSLoader remote access trojan being distributed via malicious Microsoft Excel addins. The particular RAT (remote access trojan) has been circulated in the wild ...