Tag: HAWK

Cybersecurity Hacking

HAWK Lattice Signature Scheme Withdrawn from NIST Round 3 After AI-Assisted Key-Recovery Attack​

An improved key-recovery attack discovered primarily by Anthropic’s Claude Mythos Preview led the HAWK team to withdraw the lattice-based signature scheme from NIST’s third-round additional signatures process within roughly 17 hours of public disclosure. The attack applies known lattice techniques more thoroughly than prior human review and does not affect finalized standards ML-KEM or ML-DSA. The rapid timeline underscores why measured crypto-agility forms a practical component of post-quantum migration planning.

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August 13, 2026
NIST Logo Black and White

NIST Advances Nine Candidates to the Third Round of Additional Post-Quantum Digital Signatures

The U.S. National Institute of Standards and Technology (NIST) has advanced nine digital signature algorithms to the third round of its Additional Post-Quantum Cryptography standardization process. These candidates offer diverse options including compact isogeny-based SQIsign and efficient lattice-based HAWK schemes. The selection enhances resilience against quantum threats for applications from IoT devices to software signing and TLS certificates.

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May 17, 2026

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