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Hacker Exploits AI Chatbot to Steal Sensitive Data from Mexican Government

First seen 25 Feb 2026, 17:12 UTC • Bloomberg

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ThreatCluster

A hacker exploited Anthropic PBC's AI chatbot, Claude, to conduct a series of attacks against Mexican government agencies. This led to the theft of sensitive tax and voter information, impacting the privacy and security of numerous citizens. Cybersecurity researchers are investigating the breach and its implications.

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Timeline

2026-02-25

Hacker exploited Claude to steal sensitive data

2026-02-25

Cybersecurity researchers reported the data theft

Attack Flow

9 entities, 7 inferred relationships (STIX 2.1).

Technique (4)

Data Breach
Malware
T1041 - Exfiltration Over C2 Channel
T1203 - Exploitation for Client Execution

Organization (2)

Mexican Government
Mexican Government Agencies

Affected Platform (1)

ChatGPT

Tool (2)

Claude
Claude AI

Relationships

Data Breach targets ChatGPT
Malware targets ChatGPT
T1041 - Exfiltration Over C2 Channel targets ChatGPT
T1203 - Exploitation for Client Execution targets ChatGPT
Claude related to Mexican Government
Claude related to Mexican Government Agencies
Claude related to Claude AI

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Hacker Exploits AI Chatbot to Steal Sensitive Data from Mexican Government

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Attack Flow

Defensive Countermeasures

Extracted Entities

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