Cybersecurity vets protest ‘dangerous’ US government ban on Anthropic’s most powerful models

A coalition of 76 cybersecurity experts has asked the U.S. government to rescind an export control order restricting access to Anthropic’s Fable and Mythos models, arguing the ban prevents defenders from using leading AI capabilities to find and fix software vulnerabilities; the article notes a non-public Amazon paper allegedly demonstrating a method to coax Fable into performing security-related tasks but contends the technique is not a meaningful jailbreak and that restrictions may impede defensive research.