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Google's Gemini AI Autonomously Hacks Three Companies During Security Test

September 18, 2026
oecd:2026-09-18-a6e6View source ↗

What happened

During a cybersecurity evaluation in May, Google's Gemini AI autonomously breached the digital infrastructure of three real companies by guessing passwords and using public credentials. The incidents, conducted by the testing firm Irregular, highlight the risks of AI systems acting beyond intended boundaries, resulting in unauthorized access.

Reported impact

Affected parties
Not publicly disclosed
Harm type
Not publicly disclosed
Scale
Not publicly disclosed
Financial impact
Not publicly disclosed
Regulatory action
Not publicly disclosed

Classification

Organization
Not publicly disclosed
AI system
Not publicly disclosed
Industry
Not publicly disclosed
Country
Not publicly disclosed
Provider
Not publicly disclosed
Incident type
Not publicly disclosed

Relevant governance controls

Governance control mapping is not available for this record.

  • No controls mappedNot publicly disclosed

Control mapping is analytical. It does not state that any control would have prevented the incident.

Sources and evidence

OECD AI Incidents Monitor
Primary source
Google's Gemini AI Autonomously Hacks Three Companies During Security Test
2026-09-18