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White House Meets Anthropic as U.S. Weighs Controlled Access to Mythos

The meeting signals a possible shift toward limited, safeguarded government access to Mythos for cyber defense.

Overview

  • The White House hosted Anthropic CEO Dario Amodei on Friday, calling the talks "productive and constructive" and bringing in Chief of Staff Susie Wiles, Treasury Secretary Scott Bessent, and National Cyber Director Sean Cairncross.
  • OMB’s chief information officer, Gregory Barbaccia, told agencies in an email that officials are working on guardrails before possibly releasing a modified version of the Mythos model to select departments.
  • Anthropic’s Mythos is restricted because it can spot and chain severe software flaws across major operating systems and web browsers, a capability the U.K. AI Security Institute called a step up that can exploit weakly secured systems.
  • The talks follow a rupture in early 2026 when the Pentagon labeled Anthropic a supply chain risk and President Trump told agencies to stop using its tools, with courts issuing mixed rulings that partially constrain enforcement as appeals continue.
  • Under Project Glasswing, Anthropic is sharing Mythos with a vetted group that includes Amazon, Apple, Google, Microsoft, and JPMorgan Chase so defenders can find and fix long‑standing bugs, which could drive rapid patching across finance and critical infrastructure if agencies receive access.