A newly discovered malware infected multiple Firefox browser add-ons with more than 50,000 downloads combined.

More than a dozen Firefox extensions were found to be malicious, planting backdoors and keeping track of user browsing habits ...

Tens of thousands of users have installed GhostPoster Firefox extensions, which rely on steganography to hide malware in ...

GhostPoster malware hid inside 17 Firefox add-ons, abusing logo files to hijack links, inject tracking code, and run ad fraud ...

A new campaign dubbed 'GhostPoster' is hiding JavaScript code in the image logo of malicious Firefox extensions counting more ...

Mozilla has simplified the process of finding and installing add-ons for Firefox on Android. With the launch of Firefox 85 for the mobile OS, you’ll be able to install extensions straight from the ...

At 12:00 a.m. UTC (Coordinated Universal Time, formerly Greenwich Mean Time) today, many Firefox users found themselves browsing with their usual extensions. But as clock ran over to midnight, a code ...

Mozilla is making it easier to choose the best Firefox add-ons from a sea of extensions you'd usually have to wade through. The latest version of Firefox for desktop now comes with a list of ...

Safari supports adding a Firefox Focus extension, allowing you to strengthen privacy without switching browsers. Here’s how.

Many businesses have switched away from Internet Explorer in the past few years, and while Firefox is a popular tool in the corporate world, few workers exploit its full power. However, just a handful ...

Using browser extensions is a lot like tricking out your car with a new air spoiler, tinted windows, chrome rims, and big flame decals. Too much junk, and you bog down your ride and look silly. With ...

Forbes contributors publish independent expert analyses and insights. Kate O’Flaherty is a cybersecurity and privacy journalist. Firefox extensions have been broken for many users since Friday 3 May ...