Amazon findings spur White House ban on Anthropic’s Fable access

The Wall Street Journal reports that Amazon cybersecurity research and conversations with the White House helped trigger an export-control directive blocking Anthropic’s Fable 5 and Mythos 5 for foreign nationals, a move Anthropic disputes as a jailbreak and which further restricts access for many of its researchers; the development underscores ongoing tensions between the government and Anthropic over security, surveillance, and weapons use that have colored their past interactions with Mythos access.