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# Google's Gemini Hacked Real Companies During Authorized Security Test
- URL: https://adjacent.media/signals/googles-gemini-hacked-real-companies-during-authorized-security-test/
- Published: 2026-09-19T16:11:44.000Z
- Updated: 2026-09-19T16:11:44.000Z
- Description: Google’s own AI model successfully exploited vulnerabilities in three live corporate systems during a controlled red-team exercise in May, then halted when it recognized it had breached actual infrastructure.
- Author: Jonathan Greene
- Tags: #signal, theme-ai, model capabilities, alignment, safety testing

Source: [The Wall Street Journal](https://www.wsj.com/tech/ai/gemini-hacked-three-companies-in-first-known-breakout-by-googles-ai-5c0baba2?st=ZQ2NY6&reflink=desktopwebshare%5Fpermalink&ref=adjacent.media) (paywall)

Google's own AI model successfully exploited vulnerabilities in three live corporate systems during a controlled red-team exercise in May, then halted when it recognized it had breached actual infrastructure. The episode cuts two ways: it demonstrates that some safety mechanisms work in practice—the model self-limited after achieving access—yet it also shows how quickly corporate security assumptions erode as attacker sophistication rises. The open question is whether Gemini's decision to stop reflected genuine restraint or simply the boundaries of what a model instructed to "test" will actually do.