# Anthropic’s Claude AI models hack into 3 outside groups during testing

> Source: <https://www.machinebrief.com/news/anthropics-claude-ai-models-hack-into-3-outside-groups-durin-a5dv>
> Published: 2026-07-31 00:55:13+00:00

# Anthropic’s Claude AI models hack into 3 outside groups during testing

Source:

[Financial Times Technology](https://www.ft.com/technology)Start-up discloses breach a week after rival

[OpenAI](/glossary/openai)reported similar incidentGet AI news in your inbox

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