Mozilla says AI tools including Anthropic's Mythos Preview helped identify and resolve 423 security issues in Firefox over one month.
Mozilla has shared data showing how artificial intelligence contributed to its browser security work. The company reported that models such as Anthropic's Mythos Preview and others supported the detection and correction of 423 bugs in Firefox within a single month.
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Mozilla has patched 271 security vulnerabilities in Firefox 150 using early access to Anthropic's Mythos Preview AI model. Firefox CTO Bobby Holley described the tool as every bit as capable as the world's best security researchers. The foundation says the AI helps defenders gain an edge in cybersecurity.
Anthropic has discovered 14 high-severity security vulnerabilities in Firefox using its new Claude AI tools. The company states that AI enables faster detection of such issues. This finding was reported in a TechRadar article published on March 9, 2026.
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Mozilla is rolling out new AI capabilities in Firefox version 148, set for desktop release on February 24, while providing users with easy controls to disable them. The update includes features like an AI chatbot sidebar and powered summaries, reflecting the company's emphasis on user choice and privacy. This move aligns Firefox with other major browsers incorporating AI tools.
A crypto security firm used artificial intelligence to detect a high-severity bug in Nethermind, an Ethereum client used by nearly 40% of validators. The flaw, which could have disrupted network operations, was fixed before exploitation. This development highlights AI's growing role in cybersecurity amid recent concerns over AI-generated code vulnerabilities.
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Anthropic has launched Claude Opus 4.7, a new AI model designed to assist developers with complex coding tasks. The company emphasized its improved instruction-following and memory capabilities. This release follows the earlier announcement of the more advanced Claude Mythos Preview.
Adobe has announced Firefly AI Assistant, a chat-based tool that handles complex multi-step workflows across applications like Photoshop, Premiere, Illustrator and Lightroom. The assistant reduces barriers for less experienced users while keeping professionals in control, Adobe says. It enters public beta in the coming weeks.
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Leading AI coding assistants fail one in four tasks, according to a TechRadar analysis. The report points to serious gaps between hype and actual performance reliability, especially in structured output tasks. AI tools are far from flawless in these critical areas.