Trump Administration Orders Access Restrictions

On June 12, the Trump administration directed Anthropic to restrict access to Fable 5 and Mythos 5 exclusively to US citizens after a jailbreak was discovered.

NSA and Cyber Command Systems Breached in Hours

The action follows a significant security incident. According to Senator Mark Warner, General Joshua Rudd stated that Mythos broke into almost all of the NSA and US Cyber Command classified systems, not in weeks, but in hours.

Thousands of Vulnerabilities Discovered

Anthropologic says Mythos Preview has uncovered thousands of vulnerabilities, including a 27-year-old flaw in OpenBSD.

Project Glasswing Partnership Program

Anthropic had previously given access to Mythos to roughly 200 selected partners under an initiative called Project Glasswing, which includes Amazon, Apple, Google, Microsoft, Nvidia, JPMorgan, and the Linux Foundation.

Fable 5’s Advanced Autonomous Capabilities

Fable 5 ran complex coding tasks for up to 20 minutes autonomously, caught its own logic errors, wrote its own tests, and delivered working software on the first run.

Source: Security Affairs