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Ars Technica

Mythos attack on 3rd-round PQC algorithm candidate puts it out of commission

Wednesday, July 29, 2026


A post-quantum cryptography algorithm candidate was withdrawn from consideration after researchers using the Mythos attack identified a flaw that had not been detected in prior testing. HAWK had undergone years of evaluation before the vulnerability was discovered. The specifics of the flaw and the timeline for withdrawal were not detailed in available information.

Original reporting: https://arstechnica.com/security/2026/07/mythos-uncovers-crypto-weaknesses-that-went-unknown-for-years/

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