The U.S. Commerce Department’s recent export directive forced Anthropic to suspend access to its most powerful AI system, Mythos, for foreign nationals on national‑security grounds. The order did not, however, erase the model’s presence for every user. Roughly 200 organizations that were part of Anthropic’s Glasswing program – a limited preview of Mythos – continue to run the system, according to Bloomberg.

Two firms confirmed they still have access. Dragos, an industrial‑cybersecurity company now being acquired by Accenture, and Cisco Systems both told Bloomberg that their Mythos preview remains active. Both firms use the model for defensive security work, a use case Anthropic has championed as a public‑good argument for frontier AI.

In contrast, the European Union’s cybersecurity agency ENISA, which had been invited to join the Glasswing cohort just days before the U.S. order, lost its access. The reversal illustrates how the export rule, aimed at foreign nationals, leaves the decision of who stays in the program to Anthropic’s internal judgment rather than a clear government‑issued list.

Anthropic has not disclosed the criteria it uses to decide which members retain the preview. The company appears to be making case‑by‑case calls, a practice that places considerable discretion in the hands of a private vendor. Critics note that this discretion could be problematic when the technology in question is a dual‑use tool capable of finding thousands of software vulnerabilities – a capability valuable to both defenders and attackers.

The situation raises broader questions about governance of advanced AI. While the Commerce Department can block access for foreign nationals, it does not prescribe which existing partners may continue using the model. As a result, U.S. security firms like Dragos and Cisco keep their foothold, while a European agency is shown the door.

Anthropic’s stance reflects its ongoing warning about the risks of advanced AI while advocating for its availability to security teams. The company must now navigate the tension between complying with a U.S. export order and honoring commitments to its early customers. The outcome so far shows a split: American defensive‑security users retain the tool, and the first European participant has been excluded.

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