News

Anthropic's Mythos Model Is Being Accessed by Unauthorized Users

  • BeauHD--Slashdot.org
  • published date: 2026-04-22 21:00:00 UTC

Bloomberg reports that a small group of unauthorized users gained access to Anthropic's restricted Mythos model through a mix of contractor-linked access and online sleuthing. Anthropic says it is investigating and has no evidence the access extended beyond a…

The users relied on a mix of tactics to get into Mythos. These included using access the person had as a worker at a third-party contractor for Anthropic and trying commonly used internet sleuthing t… [+1342 chars]