Anthropic's Mythos Preview model, a powerful AI capable of discovering and exploiting critical zero-day vulnerabilities, has raised concerns about its potential misuse. The vendor has implemented certain controls to prevent the model from falling into the wrong hands. However, the risk of zero-day activity targeting Anthropic is high, and patching windows are rapidly closing, making it essential for organizations to assess their exposure immediately. The model's capabilities are significant, and if exploited by malicious actors, could lead to severe consequences. As a result, Anthropic's ability to keep its technology out of the wrong hands is crucial1. The potential consequences of failure could be devastating, making it imperative for organizations to take proactive measures to protect themselves. The vendor's controls may not be enough to prevent the model's misuse, and the security community is watching closely to see how Anthropic will mitigate these risks. This situation matters to security practitioners because the potential for zero-day exploits to be used against their organizations is increasing, and they must be prepared to respond quickly.