Google's cybersecurity partner in the disclosed Gemini hacking incident, which also tested other major AI labs' models, is named what?

Explanation: Google's cybersecurity testing partner in the disclosed Gemini hacking incident was Irregular, an independent firm that conducts AI cybersecurity evaluations and had also tested models belonging to other major AI labs, including OpenAI, Anthropic and Meta, in relation to similar disclosed incidents. Irregular said the issue affecting Gemini involved the same underlying scope-failure problem that had affected the other labs' models, and that all relevant labs were notified of the issue in late July 2026.