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US Government Bans Powerful AI Models from Cybersecurity Experts

TechCrunch AI · Jun 15, 2026 · 1 min read · Read original article →

TechCrunch AI

A group of cybersecurity experts have written an open letter to the US government, urging it to lift the export control order on Anthropic’s Fable and Mythos models. The models, which can help find vulnerabilities and make software more secure, have been restricted due to national security concerns. The experts argue that this move is dangerous and could allow adversaries to gain an advantage. The US government has suspended access to the models worldwide, sparking concern among cybersecurity defenders.

💡 Key Takeaways

  1. The US government has banned the export of Anthropic's Fable and Mythos models, citing national security concerns, without explaining the specific reasons behind the order.
  2. The move has been criticized by cybersecurity experts, who argue that it will hinder their ability to find vulnerabilities and make software more secure.
  3. The experts have signed an open letter to the US government, urging it to lift the export control order and allow the models to be used by cybersecurity defenders.
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