The Mythos Moment That Flipped Trump
Six weeks before the signing, Anthropic ran a closed preview of a system it calls Mythos for senior administration officials. The demo did not show a chatbot writing malware on request — it showed a model autonomously chaining its own exploits across every major operating system and browser, surfacing previously undocumented bugs including a 27-year-old flaw in OpenBSD [9]. According to reporting from CNBC and Axios, the audience that mattered most was Vice President Vance and Treasury Secretary Bessent, both of whom had until then treated AI safety regulation as a Biden-era political artifact [9][11]. Mythos collapsed that frame: a frontier lab had, in private, demonstrated that its system could function as an autonomous offensive cyber actor, and the labs themselves were openly worried about the implications.
That is the only context in which the rest of the order's strange shape makes sense. Trump had spent his first year in office tearing up Biden's mandatory red-teaming rules, scrapping the original signing of a heavier EO on May 21 because he feared regulation would 'get in the way' of the U.S. lead over China [3][12]. The June 2 order is the reconciliation: a voluntary framework that admits the cyber-offense problem Mythos surfaced is real, while still refusing to do anything that looks like the Biden regime. CFR's Matthew Ferren reads the EO as 'an attempt to engineer a cybersecurity window of opportunity' [2]— narrow, defensive, and built around the specific failure mode the April demo made undeniable rather than a general theory of AI risk.


