Government Executive: House Homeland Security Committee receives closed Anthropic Mythos demonstration; committee aide says briefing 'reinforced urgency' of ensuring federal agencies can access advanced AI models
Government Executive reported on May 15 that the House Homeland Security Committee received a rare closed briefing in which Anthropic executives demonstrated Mythos to committee members, showing how the model identifies software vulnerabilities. Chairman Andrew Garbarino (R-NY) and Ranking Member Bennie Thompson (D-MS) led the briefing. A committee aide stated: 'What we saw reinforced the urgency of ensuring that federal agencies can responsibly access and deploy the most advanced U.S. models.' The briefing also highlighted CISA's lack of full Mythos access and the NSA's reported use despite the Pentagon blacklist. Senate Intelligence Committee leaders Tom Cotton (R-AR) and Mark Warner (D-VA), along with Gen. Joshua Rudd (NSA/Cyber Command), were noted as part of broader congressional engagement.
A bipartisan House committee receiving a direct Anthropic Mythos demonstration — with a committee aide publicly signaling urgency around federal agency access — escalates the U.S. government access debate from executive-branch negotiations into formal legislative oversight, directly raising CISA's exclusion as a Congressional concern.