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

Security researchers have uncovered a troubling new malware campaign that has been hiding malicious code inside the logo ...

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 ...

If you use Mozilla Firefox’s web browser, you’ll want to drop what you are doing right now and update it. That urging doesn’t just come from Mozilla—it comes from the United States Department of ...

Over the years, many have touted Mozilla’s Firefox as one of the most secure Web browsers. But as with other browsers, the security level offered depends on the settings. Some security features need ...

A “bug” in the latest version of Firefox that exposes secure information in the browser’s New Tab window may not be a flaw at all, according to one security researcher. The New Tab feature in Firefox ...

The Mozilla folks have released another security update this week, though I noticed that there's a lot less media chatter about these security fixes than the last round. Perhaps there's something to ...

Mozilla has just released security updates for its Firefox 2 and Firefox 3 browsers. You can download these free updates for 3.0.5 and 2.0.0.19, which can be run on ...

No browser is unbreachable, but the security add-ons available for Mozilla's Firefox browser certainly put the odds in your favor. Dennis O'Reilly began writing about workplace technology as an editor ...

Mozilla has warned Firefox users to update their browser to the latest version after security researchers found a vulnerability that hackers were actively exploiting in “targeted attacks” against ...