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Key Findings Anthropic's AI model Claude Opus 4.6 discovered 22 security vulnerabilities in the Mozilla Firefox web browser over the course of two weeks. 14 of the 22 vulnerabilities were classified as high-severity, nearly a fifth of all high-severity Firefox issues fixed in 2025. Mozilla addressed the majority of these vulnerabilities in Firefox 148, released in January 2026. This demonstrates AI's growing capability to rapidly detect critical security flaws in complex soft

Firefox Will Give Users an AI Kill Switch for Better Privacy Key Findings: Mozilla is releasing Firefox 148 on February 24, 2026, which introduces a dedicated AI controls section in the desktop settings. This includes a "global kill switch" that allows users to opt out of AI features entirely by flipping a single toggle. Turning off AI features stops the browser from sending data to external companies for processing through API calls. Users can also customize which AI tools t