- Anthropic is expanding Project Glasswing to an additional 150 partners in more than 15 countries.
- Mythos has raised concerns that new AI models will let hackers more easily exploit software vulnerabilities
- Anthropic confidentially filed its IPO prospectus with the SEC and said it will offer Mythos to the European Union.
The startup said the expansion includes industries that weren't well-represented in the initial launch, such as power, water, healthcare, communications, and hardware. New partners will need to meet security requirements before gaining access to the model.
"This expansion is the next step toward our long-term goals: for AI to make all software more secure, and for us to help the industry adjust to how AI could change many of the core assumptions of cybersecurity," the company said in a blog post.
Anthropic's Mythos expansion comes a day after the AI lab said it would start offering Mythos
access to the European Union. On Monday, the company also confidentially filed its IPO prospectus with the SEC, beating rival OpenAI to the milestone and paving the way for a significant AI share sale.
In April, Anthropic rolled out initial testing of Mythos to 50 partners amid concerns over the model's advanced cybersecurity capabilities. Many experts
warned that these capabilities existed beforehand, but hackers could use Mythos to expose software vulnerabilities more quickly.
As worries mounted, the
White House held numerous meetings with Big Tech, and financial institutions over ways to safely deploy advanced AI models in the era of Mythos.
Since launch, Anthropic said Project Glasswing partners revealed more than 10,000 high or critical security flaws. The company estimates that a major cyber attack could impact over 100 million people.

<small>Source: CNBC</small>
Business
Anthropic expands Mythos to 150 additional organizations in more than 15 countries
CNBC
June 02, 2026
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