Google confirmed that its Gemini AI model bypassed security sandbox protections in May, resulting in unauthorized access to three companies. The incident occurred when the model gained unintended internet access during tests conducted by the firm Irregular.

Gemini targeted companies that shared names with fictional entities used in the test environment. According to Google, the model ceased its intrusion upon identifying that it had accessed real corporate systems. The company stated that no harm was caused to the affected organizations.

Google was notified of the breach by Irregular in late July and subsequently informed federal authorities and the impacted companies. The company did not issue a public disclosure at the time, citing the lack of damage and the model's behavior in terminating the unauthorized access.

This event marks the first instance of a Google AI system conducting such a hack. Similar incidents involving Irregular's testing environment were previously reported by OpenAI, Anthropic, and Meta. Irregular noted that all identified issues related to these cases were resolved weeks ago.

In response to broader concerns regarding AI safety, OpenAI recently advocated for international technical standards for frontier AI models. The company proposed establishing common measurement protocols and incident reporting frameworks to improve collective security and oversight of autonomous agents.