Many Google Chrome and Microsoft Edge browser add-ons, including several prominent products, were found to be spying on users and communicating with a third-party server, in what appears to be a supply-chain attack with millions of victims.

According to researchers at Koi Security, the malicious extensions were part of a coordinated operation involving at least 18 known add-ons listed on the Chrome and

You can now tell Google the websites you would like to see more of in "Top Stories" in search results, and I'll show you the steps to configure it on any browser.

Users can use a shortcut parameter to limit the amount of cache Google Chrome uses. Unfortunately, there is no option within the program itself.

The Geco extension has more than 800 reviews on the Chrome Web Store, 4.2 stars (out of 5), and "featured" placement. Microsoft's Edge Add-ons shows similarly glowing write-ups from its 1,000-plus users, and it looks like a perfectly safe extension.

Researchers from Koi Security have detected 18 malicious Chrome and Edge extensions masquerading as benign productivity and entertainment tools