- Project Glasswing and Anthropic’s Claude Mythos Preview are designed to tackle AI security threats
- Mythos is so powerful that it is not released to the public – only select companies
- The work has already found decades-old bugs and critical bugs in major operating systems and browsers
Anthropic has canceled Project Glasswing, a new cybersecurity initiative it is co-leading with AWS, Anthropic, Apple, Broadcom, Cisco, CrowdStrike, Google, JPMorganChase, the Linux Foundation, Microsoft, Nvidia and Palo Alto Networks.
Glasswing is designed to identify and fix vulnerabilities in critical software using the Claude Mythos Preview, which Anthropic describes as a “general purpose, unreleased boundary model.”
In short, it marks the official use of AI by companies in the battle against AI itself – with AI-enabled cyberattacks increasing by the day, the coalition of companies is fighting fire with fire.
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Project Glasswing is here
“We formed Project Glasswing because of capabilities we’ve observed in a new frontier model trained by Anthropic that we believe could reshape cybersecurity,” the company wrote in a blog post announcing the news.
Anthropic boasted that Mythos has already found thousands of serious vulnerabilities that identify potential flaws in all major operating systems and web browsers, including decades-old bugs missed by humans. Besides detecting bugs, Mythos can also generate exploits and suggest or generate patches for a complete cycle.
However, Mythos is only used cautiously by the approved group of companies because Anthropic considers it too powerful and risky for an open release. If misused, it can drastically increase cyber attacks because it is able to generate exploits independently.
Delivered via cloud providers such as AWS and Google Cloud, an additional 40+ organizations that maintain critical software will also be able to access the model.
Mythos consistently outperforms Claude’s own Opus 4.6 across agent coding, reasoning, and agency search/computing benchmarks, more than doubling the performance of Opus 4.6 on SWE-bench Multimodal.
Even with the proactive approach, Anthropic says companies alone are not responsible for managing AI’s effects on cybersecurity – “frontier AI developers, other software companies, security researchers, open source maintainers and governments around the world all have important roles to play.”
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