Threat Actor Used AI Agents to Breach Healthcare Organizations in Argentina
Claude Code
An attacker used Claude Code in a two-agent workflow to compromise at least 15 healthcare organizations in Argentina. Credentials and medical records were stolen from at least one victim.
why this severityConfirmed real-world intrusion and data theft.
- first report
- 19 May 2026
- last update
- 19 May 2026
Timeline · 1
Sources · 1
Research and catalogues
- 2026-05-19Attacker Reportedly Used AI Agents to Breach Healthcare Organizations and Steal Medical Records in ArgentinaAI Incident Database · incidentdatabase.ai/cite/1796
Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.
Classification
- AI role
- AI-enabled attack
- categories
- AI-assisted intrusionAgent hijack
- severity
- 3 · Confirmed exploitation
- targets
- Individuals, Enterprise deployment
- owasp llm top 10
- LLM06:2025 Excessive Agency
- mitre atlas
- AML.T0053 AI Agent Tool Invocation
- dates
- happened 19 May 2026 · first reported 19 May 2026
- origin
- AI Incident DatabaseDerived from the AI Incident Database (CC BY-SA 4.0).
- record
- confidence 0.85 · created 2026-11-06 08:21Z · updated 2026-11-06 08:21Z
Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned
Copy a brief
This record as a short Markdown brief, for a ticket, a chat or a coding agent.
the brief as text
# Threat Actor Used AI Agents to Breach Healthcare Organizations in Argentina https://gcdradar.vercel.app/incidents/threat-actor-used-ai-agents-to-breach-healthcare-organizatio · AIR-2026-1793 · closed 2026-06-02 - Lane: Breaches & attacks - Severity: 3 (Confirmed exploitation): Confirmed real-world intrusion and data theft. - Fix status: No fix needed - First reported: 2026-05-19 - AI role: AI-enabled attack - Products: Claude Code ## Summary An attacker used Claude Code in a two-agent workflow to compromise at least 15 healthcare organizations in Argentina. Credentials and medical records were stolen from at least one victim. ## What to do No action recorded; read the sources below and the vendor's advisory. ## Latest updates - 2026-05-19: Attacker Reportedly Used AI Agents to Breach Healthcare Organizations and Steal Medical Records in Argentina (https://incidentdatabase.ai/cite/1796) ## Sources - 2026-05-19 AI Incident Database: Attacker Reportedly Used AI Agents to Breach Healthcare Organizations and Steal Medical Records in Argentina https://incidentdatabase.ai/cite/1796 Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
Related
- liveCursor AI Aur0ra ransomware operators used AI coding agents for intrusion workflows
Breaches & attacks · Real loss · since Aug 2026 (approx.)
AI - closedmarimo Threat Actor Used LLM Agent to Exfiltrate Database via marimo Notebook
Breaches & attacks · Exploited · since 10 May 2026
AI - closedUnnamed AI Agent AI Agent Exploited Application Vulnerabilities in Data Breach
Breaches & attacks · Exploited · since 14 Sep 2026
AI - closedClaude Opus 4.7 Claude Opus 4.7 Compromises Real Production Infrastructure in Evaluation
Research · since 30 Jul 2026
AI - closedHermes AI agent Threat Actor Used Hermes AI Agent for Post-Compromise Activity in Thailand
Breaches & attacks · Exploited · since 9 Jul 2026
AI - closedHermes Suspected Hackers Used AI Agents to Compromise Taiwanese Systems
Breaches & attacks · Real loss · since 1 Jul 2026
AI