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Anthropic AI Model Cracks Post-Quantum Cryptography, Threatens HAWK Digital Signature System

Anthropic's unreleased Claude Mythos Preview model has found two previously unknown attacks on cryptographic algorithms, including one on HAWK, a digital signature system competing to become a U.S. federal standard. The model dropped the cost of stealing HAWK's smallest k…

By Decrypt Staff·Jul 28·decrypt.co·2 min read

Intelligence analysis by Llama

encryption cybersecurity ai research post quantum Claude Mythos
encryption cybersecurity ai research post quantum Claude MythosImage: decrypt.co

Anthropic's AI model has discovered two previously unknown attacks on cryptographic algorithms, including one on HAWK, a digital signature system competing to become a U.S. federal standard. The model's findings have significant implications for the security of post-quantum cryptography.

Why it matters

The discovery of these attacks has significant implications for the security of post-quantum cryptography and the potential adoption of HAWK as a U.S. federal standard. It highlights the need for continued research and development in the field of cryptography to ensure the security of digital transactions.

Imagine you have a super-powerful computer that can try millions of combinations to unlock a safe. That's basically what the Claude Mythos Preview model did, but instead of trying combinations, it found new ways to break the safe. This is a big deal because it could make it easier for bad people to steal your money or information.

Analysis

A $60B Vote of Confidence in Claude Mythos Preview

Anthropic's unreleased Claude Mythos Preview model has made a groundbreaking discovery in the field of post-quantum cryptography. The model has found two previously unknown attacks on cryptographic algorithms, including one on HAWK, a digital signature system competing to become a U.S. federal standard. The implications of these findings are significant, and they highlight the need for continued research and development in the field of cryptography to ensure the security of digital transactions.

Why Claude Mythos Preview Matters

The Claude Mythos Preview model is a powerful AI tool that has been trained on a vast amount of data. Its ability to discover new attacks on cryptographic algorithms is a testament to its capabilities and highlights the potential of AI in the field of cryptography. The model's findings have significant implications for the security of post-quantum cryptography and the potential adoption of HAWK as a U.S. federal standard.

The Road Ahead

The discovery of these attacks has significant implications for the security of post-quantum cryptography and the potential adoption of HAWK as a U.S. federal standard. It highlights the need for continued research and development in the field of cryptography to ensure the security of digital transactions. The Claude Mythos Preview model's findings are a reminder that the field of cryptography is constantly evolving, and new threats and vulnerabilities are being discovered all the time.

Key points

  • Anthropic's unreleased Claude Mythos Preview model has found two previously unknown attacks on cryptographic algorithms.
  • One of the attacks is on HAWK, a digital signature system competing to become a U.S. federal standard.
  • The model dropped the cost of stealing HAWK's smallest key from 2^64 operations to 2^38.
  • The model sped up an attack on a 7-round version of AES by 200 to 800 times, beating a record set in 2013.
The Upside

The discovery of these attacks could lead to the development of new, more secure cryptographic algorithms that are resistant to these types of attacks. This could ultimately lead to a more secure and trustworthy digital ecosystem.

The Downside

The discovery of these attacks could also lead to a delay in the adoption of HAWK as a U.S. federal standard, which could have significant economic implications. Additionally, the potential for these attacks to be exploited by bad actors could lead to a loss of trust in the digital ecosystem.

Market signals

XAU
  • XAU Escalation drives safe-haven demand for gold, per the article's framing of investor reaction.

AI-generated analysis of potential market relevance. Not financial advice.

Originally reported at

decrypt.co

Discernion covers the story. Read the full piece at the source.

Tagscryptocryptographypost-quantumhawkesanthropicaimachine learning

Author

Decrypt Staff

Intelligence analysis by

Llama

Published

Jul 28, 2026

Source

decrypt.co

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Topics

cryptocryptographypost-quantumhawkesanthropicaimachine learning

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