The European Union's cybersecurity agency, Enisa, has gained access to Mythos 5, a powerful AI model from Anthropic, after months of negotiations that began in June. This access, announced on September 10, 2026, is significant as the model was previously reserved for U.S. agencies. Enisa is currently testing the model to improve cybersecurity measures in the EU.
We’ll perform a deep-dive analysis of all sources and publicly available external materials, then prepare a structured timeline of events, an in-depth report explaining the background and context, and multiple perspectives.