Observed Signal · Jun 2, 2026 · Technical Release · Source: CNBC Technology · Impact: 4/5 · Sentiment: Positive
Anthropic expands Mythos to 150 organizations
Anthropic expanded Project Glasswing, granting access to its Claude Mythos model to roughly 150 additional organizations across more than 15 countries, broadening participation into sectors such as power, water, healthcare, communications and hardware. The rollout follows an earlier pilot with 50 partners (including the U.S. government) and comes a day after Anthropic filed confidentially for an IPO after a $65 billion funding round that valued the company near $1 trillion. Anthropic says Mythos can identify thousands of zero-day vulnerabilities in codebases; the company said many new partners maintain code relied upon by other organizations and that a successful attack on some partners could affect more than 100 million people. Reported partner organizations given access (per the Financial Times) include Okta, Samsung, SK Hynix, SK Telecom, NATO and ENISA. Anthropic framed the expansion as a race to establish safeguards as rival OpenAI rolls out GPT-5.5-Cyber.
Expansion of a powerful AI model with cybersecurity capabilities — plus Anthropic’s confidential SEC IPO filing and EU availability — has broad implications for software security, regulatory scrutiny, and enterprise access to foundation-model tooling.
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Key Takeaways & Evidence Grounding
- Anthropic expanded Project Glasswing access to about 150 additional organizations across more than 15 countries.
- The expanded cohort includes underrepresented critical sectors: power, water, healthcare, communications, and hardware.
- Anthropic filed confidentially for an initial public offering after a $65 billion funding round at a nearly $1 trillion valuation.
- Claude Mythos is designed to scan partner codebases and can identify thousands of zero-day vulnerabilities over several weeks.
- Reported organizations given access include Okta, Samsung, SK Hynix, SK Telecom, NATO, and ENISA (per the Financial Times).
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Anthropic Limits Mythos AI Rollout Over Cyberattack Fears
Anthropic released a preview of its frontier model, Mythos, and is deploying it selectively under a new security initiative called Project Glasswing. Twelve partner organizations — including Amazon, Apple, Broadcom, Cisco, CrowdStrike, the Linux Foundation, Microsoft and Palo Alto Networks — will pilot Mythos for defensive cybersecurity work; Anthropic said an additional 40 organizations will gain preview access beyond the partner cohort. Although Mythos was not explicitly trained for security, Anthropic says the model identified “thousands of zero-day vulnerabilities,” many decades old, when scanning first‑party and open‑source code. The rollout follows a prior leak of drafts (the model was previously referenced as “Capybara”) and an accidental exposure of source code tied to a Claude Code release. Anthropic said it is in discussions with federal officials even as it faces legal and supply‑chain disputes with the U.S. government.
Anthropic Gates Claude Mythos to 50-Company Consortium
On April 7, 2026 Anthropic released Claude Mythos Preview but restricted access to a closed partner program called Project Glasswing instead of a public API. The program launched with 12 named partners and roughly 40 additional invited organizations (about 50 companies total), including major infrastructure and enterprise defenders. Anthropic allocated roughly $100M in usage credits for the program and donated about $4M to open-source security groups. Mythos reports step-change benchmark gains (e.g., ~97.6% on USAMO 2026) and substantially higher autonomous exploit discovery versus prior models, prompting Anthropic to limit early access for security reasons. The gate reportedly held only about two weeks before unauthorized access was reported. The launch signals a new gated release pattern that affects agent builders and capability access.
Anthropic Releases Mythos AI Model with Restrictions
This Morning Squawk edition covers several market-moving items: the U.S. completed self‑defense strikes on Iran, prompting President Donald Trump to warn Tehran and contributing to oil-price and futures volatility. SpaceX’s IPO is being run with a fixed take‑it‑or‑leave‑it price and an unusually large 30% retail allocation; the company was taking orders ahead of a planned Friday debut. Anthropic broadened availability of its Mythos‑era capability by releasing Claude Fable 5 — a public-facing model with added safeguards that routes or blocks high‑risk cybersecurity and biology queries — following an earlier dual-product, permissioned Mythos rollout. Prediction‑market platform Kalshi announced tighter measures to limit insider trading, including market risk scores, employment verification for some traders, and an enhanced whistleblower feature; Kalshi also reported crossing $1 billion in perpetual‑futures volume within a week of launch.
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