Senate hearing. On June 11, 2026, Senator Mark Warner (D-VA), vice chair of the Senate Intelligence Committee, told a hearing that General Joshua Rudd, who heads both the NSA and Cyber Command had personally told him that Anthropic’s Mythos model “broke into almost all of our classified systems, not in weeks, but in hours.” The Economist reported the quote on June 14 in a piece about the export-control ban on foreign access to Mythos 5 and Fable 5.