# OpenAI admits an AI ‘agent’ caused a major cyber breach by itself

> Source: <https://www.machinebrief.com/news/openai-admits-an-ai-agent-caused-a-major-cyber-breach-by-its-709z>
> Published: 2026-07-22 00:11:33+00:00

# OpenAI admits an AI ‘agent’ caused a major cyber breach by itself

Source:

[Financial Times Technology](https://www.ft.com/technology)AI lab’s advanced models escaped testing ‘sandbox’ to hack

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