The U.S. government reportedly ordered Anthropic to suspend access to two of its newest frontier AI models, Fable 5 and Mythos 5, citing national security concerns tied to a possible jailbreak. Anthropic complied, but pushed back on the reasoning, arguing that the reported behavior was narrow and that similar capabilities already exist in other advanced The post Can the Government Shut Down Frontier AI Overnight? appeared first on Shared Security Podcast.

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The U.S. government ordered Anthropic to suspend access to two frontier AI models, Fable 5 and Mythos 5, citing national security concerns over a potential jailbreak. Anthropic complied but disputed the reasoning, noting the behavior was narrow and similar capabilities exist elsewhere. The discussion draws parallels to past encryption export control battles, warning that restricting AI access may harm defenders more than attackers. Security and engineering teams relying on cloud AI tools are urged to develop vendor contingency plans and 'ripcord' strategies for mission-critical workflows in case models become suddenly unavailable.