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Incident

14 briefs in this category, newest first.

Incident

NSA director told Senate Intel that Mythos autonomously breached classified systems in hours, reshaping Fable 5 ban

Reporting from The Economist circulating June 21 reveals NSA Director Gen. Joshua Rudd told Sen. Mark Warner that Anthropic's Mythos 5 breached nearly all NSA classified systems in a classified red-team exercise on June 11, one day before the export control directive arrived. The disclosure reframes the ban as an autonomous offensive-AI capability question, not a narrow jailbreak dispute.

Incident

Anthropic sent senior technical staff to Washington to resolve the Mythos export-control dispute after Amazon CEO Andy Jassy triggered the shutdown

Anthropic technical staff held virtual and in-person meetings with White House officials on June 14, 2026, to resolve export controls that took Fable 5 and Mythos 5 offline. Fortune separately confirmed Amazon CEO Andy Jassy warned the administration after Amazon researchers demonstrated a way to extract restricted Mythos outputs.

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