It's not even your browser's fault.

This new Storm attack platform can exfiltrate passwords and session data, enabling 2FA bypass. Google Chrome, Microsoft Edge ...

Not sure what Perplexity AI is doing in your Firefox browser? Learn how to use it, disable it, or delete it in a few quick ...

Mozilla has unveiled one of the biggest updates for Firefox this year, and it revealed that the browser is getting a built-in virtual private network (VPN) service coming soon later this month. The ...

In an internal test, Anthropic's AI Claude Opus 4.6 found more vulnerabilities in the Firefox browser within two weeks than the community did in two months. The AI development company Anthropic has ...

Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...

We may not have a killswitch for AI as a whole, but Mozilla is giving users the ability to shut off AI in its Firefox browser (though it could have just not included those features in the first place) ...

Firefox will begin catering to those who don’t want AI in their browser. On Monday, Mozilla announced that Firefox will soon let users block all current and future generative AI features. Users will ...

In an effort to work faster, our devices store data from things we access often so they don’t have to work as hard to load that information. This data is stored in the cache. Instead of loading every ...

Pranay Parab is an independent tech journalist based in Mumbai, India. He covers tech for Lifehacker, and specializes in tutorials and in-depth features. You can open any webpage in Firefox and use ...

PCWorld reports that Firefox 147 addresses 16 security vulnerabilities, including six high-risk flaws that could enable code execution and sandbox escapes on users’ systems. The update improves video ...

Mozilla is promising a Firefox AI kill switch, but you won’t get it soon. In a reply to a Reddit open letter aimed at Mozilla’s new CEO, a Mozilla figure posting as user anthony-firefox said a real ...