Gemini hacked three real companies in a security test after the sandbox leaked to the internet, WSJ reports

kimmonismus · x · 2026-09-19

Google's Gemini managed to hack three real companies during a cybersecurity test, according to the WSJ. The test environment accidentally had internet access: in one case Gemini guessed a password, and in the other two it used exposed credentials — highlighting how critical sandbox isolation is when testing AI agents.

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