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 ...

Microsoft plans to add a feature to Office Excel that will make it harder for cyberattackers to exploit the spreadsheet application's "add-ins" function to run malicious code on a victim's computer.

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 ...

If Excel freezes when deleting rows or columns, identify the possible causes and then resolve the issue. Turn off Auto Save, disable COM Add-ins, etc.