'A new frontier model trained by Anthropic that we believe could reshape cybersecurity': Project Glasswing wants to use AI to prevent AI cyberattacks — but will 'overeager' Claude Mythos do more damage than help?

Project Glasswing is Anthropic's new AI model for software security

by · TechRadar

News By Craig Hale published 8 April 2026

(Image credit: Anthropic)

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  • Project Glasswing and Anthropic's Claude Mythos Preview are designed to tackle AI security threats
  • Mythos is so powerful that it's not being released to the public – only select companies
  • Work has already found decades-old bugs and critical flaws in major OSs and browsers

Anthropic has lifted the wraps off Project Glasswing, a new cybersecurity initiative it is leading along 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 Claude Mythos Preview, which Anthropic describes as a "general-purpose, unreleased frontier model."

Put simply, it marks the official use of AI by companies in the fight against AI itself – with AI-enabled cyberattacks increasing by the day, the coalition of companies are 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 high-severity vulnerabilities, identifying potential flaws in every major operating system and web browser including decades-old bugs missed by humans. Besides detecting bugs, Mythos can also generate exploits and propose or generate patches for a complete cycle.

However, Mythos is only being used cautiously by the approved group of companies because Anthropic deems it too powerful and risky for an open release. If misused, it could drastically increase cyberattacks being that it's capable of generating exploits autonomously.

Delivered via cloud providers like AWS and Google Cloud, a further 40+ organizations who maintain critical software will also be able to gain access to the model.

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