The confluence of events is what ultimately led the White House to determine that it could not trust Anthropic to safeguard its most advanced AI technology, according to a person close to the administration. On Friday, the Trump administration ordered Anthropic to revoke access to Mythos and Fable 5 for all foreign nationals, including immigrants inside the US. Rather than gate access to its technology based on nationality, a process that would be difficult to implement while also preserving privacy, Anthropic decided it was better to disable access to the models entirely. The White House and Anthropic still remain at odds after days of negotiations about bringing Claude Mythos and Fable 5 back online. SK Telecom was one of roughly 150 organizations granted early access to Anthropic's vulnerability-detection model Claude Mythos through Project Glasswing, notes Wired. The White House later asked Anthropic to revoke the company's access, reportedly amid concerns about alleged China ties, and Anthropic immediately complied. There was, however, no mention of the telecom in the government's formal demand to restrict Mythos and Fable 5 to U.S. nationals.
SK Telecom told a Korean newspaper that the "anonymous insider's remarks in foreign media lack verified facts, and our company has no ties to China."
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