The new browser won't let new third-party add-ons run until users give the say-so, and it suggests old ones be disabled. Also: Twitter search and a tab tune-up. Stephen Shankland worked at CNET from ...

Firefox supports small programs, or plug-ins, that add extra functionality to the browser. These programs are called Add-ons. These programs can add a myriad of features ranging from a new toolbar ...

An expired certificate on the Mozilla Add-ons infrastructure is disabling Firefox add-ons for millions of users, and is also preventing users from re-activating or (re-)installing extensions. The ...

Over the coming year, Firefox will be putting the finishing touches on a plan it set in motion in 2015, which was to replace the aging Add-ons API with a new system called WebExtensions, based on the ...

Deactivate the browser helpers installed on your system to find the source of problems, or simply to speed up your browsing. Dennis O'Reilly began writing about workplace technology as an editor for ...

The misbehaving Firefox add-ons were misusing an API that controls how Firefox connects to the internet. Mozilla’s Firefox team has blocked add-ons that were abusing the proxy API in order to prevent ...

Most Firefox add-ons enhance the browser’s core feature set, provide convenient Web browsing tools, or plug in the proverbial bells and whistles (e-mail notifiers, current weather data or cosmetic ...

What just happened? Mozilla's security blog announced this week that it discovered some add-ons were acting maliciously and that it decided to block them. The company estimates some 455,000 users ...

NoScript, Firebug, and other popular Firefox add-on extensions are opening millions of end users to a new type of attack that can surreptitiously execute malicious code and steal sensitive data, a ...