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 ...

Microsoft is adding a new security feature that it thinks will make it harder for malware to spread via XLL add-ins. According to Bleeping Computer, Microsoft will start blocking XLL Excel 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 ...

Excelbind is a free open-source Excel Add-in, that expose your python code to Excel users in an easy and userfriendly way. Excelbind uses the Excel xll api together with an embedded python interpreter ...

Microsoft in March will start blocking Excel XLL add-ins from the internet to shut down an increasingly popular attack vector for miscreants. In a one-sentence note on its Microsoft 365 roadmap, the ...

Microsoft is working on adding XLL add-in protection for Microsoft 365 customers by including automated blocking of all such files downloaded from the Internet. This will help tackle the rise of ...

It took a few years and one temporary halt, but in July Microsoft finally began blocking certain macros by default in Word, Excel, and PowerPoint, cutting off a popular attack vector for those who ...

Cyber attacks based on Microsoft Excel add-in files (.XLL) increased by nearly 600 percent in 2021. In a new report, security researchers at HP Wolf Security disclose how the file type is being ...

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 ...