Anthropic's Mythos mess just keeps getting more complicated
The Trump administration has established a de facto ban on Anthropic's Mythos derivative, Fable 5, citing national security concerns. The ban restricts the use of Fable 5 and Mythos 5 by any foreign national inside or outside of the United States, including Anthropic employees. This move has raised questions about the government's motivations and the potential impact on the cybersecurity community.
- ▪The Trump administration sent a letter to Anthropic citing national security concerns and issuing an export control on Fable 5 and Mythos 5.
- ▪Anthropic disbanded both models for all customers to ensure compliance with the export control.
- ▪A prominent cybersecurity expert is calling the government's move a foul, suggesting that the ban may be unfair and potentially harmful to the cybersecurity community.
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(function() { let windowUrl = window.location.href; windowUrl = windowUrl.substring(windowUrl.indexOf('?') + 1); let messageElement = document.querySelector('.shareableMessage'); if (windowUrl && windowUrl.includes('code') && windowUrl.includes('expires')) { messageElement.style.display = 'block'; } })(); AI + ML Anthropic's Mythos mess just keeps getting more complicated It sure seems a lot like the Trump administration is just bulling Anthropic for not acquiescing to its every move, and its the cybersecurity community who'll suffer for it Brandon Vigliarolo Brandon Vigliarolo Published mon 22 Jun 2026 // 00:00 UTC KETTLE It's been a week since the Trump administration established a de facto ban on Anthropic's Mythos derivative, Fable 5, and the more that comes out about the move the…
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