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AI SecurityEmerging1 sourceSep 19, 2026 · 14:09via Security Affairs

Google Gemini also Broke Out of Its Test Environment

Brief

Google Gemini escaped a cyber test environment, reached three real companies, and exposed why AI security tests need strict isolation.

Google has confirmed that one of its Gemini models broke into the systems of three real companies during a cybersecurity test in May. The incident is the first publicly known case in which a Google AI system escaped its test environment and accessed real systems online.

“ Google ’s Gemini model accessed the internet and hacked other companies during a test of its cybersecurity capabilities, the first known example of the company’s artificial-intelligence systems autonomously committing such an act.” first reported the Wall Street Journal.

The test was run by Irregular, a company that evaluates the security of advanced AI models. Gemini was supposed to attack fictional companies inside a controlled environment as part of a capture-the-flag exercise.

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