An update. A US official tells me that Sen. Warner misunderstood the NSA director Gen. Rudd in this case. Rudd did use the 'hours, not weeks…

An update. A US official tells me that Sen. Warner misunderstood the NSA director Gen. Rudd in this case. Rudd did use the 'hours, not weeks' wording, but the use of Mythos in this context was—as widely assumed—part of a red-teaming effort, i.e. testing the security of internal networks. The official also told me that the agency's red-teams no longer have access to Mythos, because their authority for accessing it was under Project Glasswing. This now widely circulated claim is based on a line I wrote last week (https://economist.com/briefing/2026/06/14/donald-trumps-blocking-of-anthropic-is-capricious-and-chaotic). I accurately quoted Mark Warner, vice chair of the Senate intelligence committee, saying that the NSA c…

Source: Gary Marcus (X) | 2026-06-22