What comes to mind when you think of Firefox? Is it our best-in-class privacy features and ad blocking capabilities? Our ...

Every October, Cybersecurity Awareness Month reminds us the importance of protecting our digital lives. The theme for 2026 is ‘Don’t Make It Easy for Them,’ with the National Cybersecurity Alliance ...

Following the rollout of Firefox’s Shake to Summarize feature to Android devices this May, we wanted to take a closer look at the modeling work behind the feature. In a previous blog post, we ...

On September 29, Firefox 157 shipped Nova, the biggest refresh of the Firefox interface since Proton back in 2021. The browser frame is cleaner, the sidebar plays a bigger role, … Read more ...

The developer community should be aware we’ve detected a phishing campaign targeting AMO (addons.mozilla.org) accounts. Add-on developers should exercise extreme caution and scrutiny when receiving ...

Firefox’s address bar just got an upgrade, and it’s all about putting you in control. It’s faster, easier to use and built to support how you search and browse — while staying true to what makes ...

The internet has become a massive web of surveillance, with advertisers and advertising platforms collecting detailed information about people’s online activity. At Mozilla, we believe this ...

Despite all the efforts of fixing Cross-Site Scripting (XSS) on the web, it continuously ranks as one of the most dangerous security issues in software. In particular, DOM-based XSS is gaining ...

Open source AI has crossed a threshold. For years the debate has centered around whether open models could ever compete with closed ones. This is no longer a debate we should be having. Today Mozilla ...

It’s been about a year since our last update regarding Manifest v3. A lot has changed since then, not least of which has been the formation of a community group under the W3C to advance cross-browser ...

Since February, the Firefox team has been working around the clock using frontier AI models to find and fix latent security vulnerabilities in the browser. We wrote previously about our collaboration ...