Cybersecurity

Hacker Used Anthropic’s Claude to Steal Mexican Data Trove

The Torre del Caballito building, which houses the federal tax authority’s offices, in Mexico City.Photographer: Yuri Cortez/AFP/Getty Images

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By Andrew Martin and Carolina Millan

February 25, 2026 at 11:00 PM GMT+9

Updated on

February 26, 2026 at 6:50 AM GMT+9

Lea la nota en español

A hacker exploited Anthropic PBC’s artificial intelligence chatbot to carry out a series of attacks against Mexican government agencies, resulting in the theft of a huge trove of sensitive tax and voter information, according to cybersecurity researchers.

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