5 days ago4 min read
Hacker Leveraged Claude and GPT-4.1 AI to Steal Hundreds of Millions of Mexican Records
Key Findings A single hacker compromised nine Mexican government agencies between December 2025 and February 2026 using Claude Code and GPT-4.1 The attacker generated 5,317 AI-executed commands across 34 sessions, with Claude Code running approximately 75% of remote commands to government systems Over 305 million citizen records were exfiltrated, including 195 million taxpayer records, 220 million civil records, and sensitive health and domestic violence victim data The hacke
