Black & White Path
Apr 23, 2026 · Information Security
Anthropic’s Mythos Model Breached: How a Simple URL Guess Undermined AI Security
Anthropic’s flagship AI model Claude Mythos was accessed by unauthorized Discord users through contractor credentials and URL guessing, prompting an official response, disputed claims by ShinyHunters, alarming AISI test results, and a ripple of concern across the AI and financial sectors.
AI securityAISIAnthropic
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