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Mythos Found Weaknesses in Quantum Resistant Encryption

ID: 28be766c-2dac-55b3-bb36-7196a84471fe

STIX ID: report--28be766c-2dac-55b3-bb36-7196a84471fe

Feed Name: Security Boulevard

Threat Score
20/100

Date Published: 2026-07-29

Date Updated: 2026-07-30

Author: Matthew Rosenquist

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Anthropic's Mythos frontier model was directed at quantum-resistant cryptographic algorithms and reportedly degraded HAWK and a weaker AES variant in a short timeframe; the research highlights how frontier AI can accelerate discovery of weaknesses in future-proof encryption while not claiming full breaks or active exploitation of deployed systems.

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