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cryptopunk7213 claims Anthropic has an unreleased model capable of doing “serious…

Brief

cryptopunk7213 warns Anthropic’s models threaten cryptographic security, saying Claude Mythos Preview required ~$100,000 and 60 hours to boost attack probability on the HAWK signature scheme by 50%. The post argues state actors would pay 10–100× more, and notes Anthropic published research on cryptographic weaknesses while likely possessing more powerful unreleased models.

Why it matters

cryptopunk7213 claims Anthropic has an unreleased model capable of doing “serious damage” to cryptography.

Key details

  • They report Claude Mythos Preview experiments cost ~$100,000 and 60 hours to increase the attack probability against the HAWK signature scheme by 50%.
  • Author warns misaligned state-level actors could spend 10–100× more; Anthropic has published "Discovering cryptographic weaknesses with Claude" and likely maintains stronger internal models.
Source evidence

so anthropic basically has an (unreleased) model capable of doing serious damage to cryptography.

all it took was $100,000 and 60 hours for claude mythos to increase the attack probability of the HAWK signature by 50% - misaligned state-level actors would happily spend 10-100X more to hack an enemy

craziest part is this was mythos preview... anthropic definitely has a more powerful model internally thats likely capable of much more damage.

doesn't take a genius to imagine the ramifications this will have for authentication and security down the line.

Anthropic (@AnthropicAI)

New Anthropic research: Discovering cryptographic weaknesses with Claude.

Claude Mythos Preview has helped our researchers find weaknesses in cryptographic algorithms—the mathematical methods that are used to keep data private.

Read more: anthropic.com/research/disco…

Link

Discovering cryptographic weaknesses with Claude

Anthropic researchers find weaknesses in cryptographic algorithms with Claude Mythos Preview
anthropic.com

— https://nitter.net/AnthropicAI/status/2082153297670992134#m