Attackers Used ARTEX AI Tool to Breach South Korean Financial Firms
ARTEX
Threat actors utilized the ARTEX AI security-testing tool and large language models to breach South Korean financial institutions and steal data. Compromised systems included loan-broker inquiries and employee mobile work-support systems.
why this severityConfirmed real-world data theft at financial institutions.
- first report
- 27 Sep 2026
- last update
- 27 Sep 2026
Timeline · 1
Sources · 1
Research and catalogues
- 2026-09-27Attackers Reportedly Used ARTEX, an AI Security-Testing Tool, to Steal Data from South Korean Financial InstitutionsAI Incident Database · incidentdatabase.ai/cite/1782
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 intrusion
- severity
- 4 · Confirmed real-world loss
- targets
- Enterprise deployment
- owasp llm top 10
- no entry for these categories
- mitre atlas
- no technique for these categories
- dates
- happened 27 Sep 2026 · first reported 27 Sep 2026
- origin
- AI Incident DatabaseDerived from the AI Incident Database (CC BY-SA 4.0).
- record
- confidence 0.90 · created 2026-10-30 13:27Z · updated 2026-10-30 13:27Z
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
# Attackers Used ARTEX AI Tool to Breach South Korean Financial Firms https://gcdradar.vercel.app/incidents/attackers-used-artex-ai-tool-to-breach-south-korean-financia · AIR-2026-1662 · closed 2026-10-11 - Lane: Breaches & attacks - Severity: 4 (Confirmed real-world loss): Confirmed real-world data theft at financial institutions. - Fix status: No fix needed - First reported: 2026-09-27 - AI role: AI-enabled attack - Products: ARTEX ## Summary Threat actors utilized the ARTEX AI security-testing tool and large language models to breach South Korean financial institutions and steal data. Compromised systems included loan-broker inquiries and employee mobile work-support systems. ## What to do No action recorded; read the sources below and the vendor's advisory. ## Latest updates - 2026-09-27: Attackers Reportedly Used ARTEX, an AI Security-Testing Tool, to Steal Data from South Korean Financial Institutions (https://incidentdatabase.ai/cite/1782) ## Sources - 2026-09-27 AI Incident Database: Attackers Reportedly Used ARTEX, an AI Security-Testing Tool, to Steal Data from South Korean Financial Institutions https://incidentdatabase.ai/cite/1782 Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
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