Anthropic’s Mythos Model Is Being Accessed by Unauthorized Users
Anthropic’s Mythos Model Is Being Accessed by Unauthorized Users Unauthorized users in a private Discord group accessed Anthropic's new Mythos AI model by combining contractor-level access with internet sleuthing tools and leaked details from a Mercor data breach Anthropic is investigating but says there's no evidence the access extended beyond a third-party vendor environment, though the group reportedly also has access to other unreleased Anthropic models https://www.bloomberg.com/news/articles/2026-04-21/anthropic-s-mythos-model-is-being-accessed-by-unauthorized-users
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