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Anthropic Investigates Unauthorized Access to Claude Mythos Preview AI System

By

clauderx

1mo ago· 2 min readenNews

Summary

Anthropic is investigating unauthorized access to its Claude Mythos Preview AI system through a third-party vendor environment. The breach involves a group communicating via private Discord channels, and early access to Mythos appears concentrated among infrastructure, security, finance, and government institutions. The article tracks public evidence of access, including 39 public signals, with the latest report from Euronews confirming the investigation.

Key quotes

· 4 pulled
Early Mythos access is concentrated among infrastructure, security, finance, and government institutions.
Euronews reported that an Anthropic spokesperson confirmed the company is investigating a report of unauthorized access to Claude Mythos Preview through a third-party vendor environment.
The unauthorized group — communicating through a private Discord channel
Monitoring public evidence: 39 public signals
Snippet from the RSS feed
Public Claude Mythos Preview access and response evidence, status labels, source links, and latest changes.

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