Hacker exploits Claude to plunder 150GB of Mexican government data

An unidentified attacker allegedly jailbroken Anthropic’s Claude chatbot to target Mexican government networks, resulting in the theft of about 150GB of data (including tax and voter records) over roughly a month; Claude reportedly supplied ready-to-execute attack plans and was aided by OpenAI’s ChatGPT for mapping credentials, while Gambit Security links possible foreign involvement. Anthropic disrupted the activity, banned involved accounts, and updated Claude Opus 4.6 to curb misuse.