Reported data breach at an organization in South Korea (Financial)
Cybersecurity researchers disclosed a targeted campaign against South Korean financial organizations using the ARTEX AI pentesting tool from late September to early October 2026. The attacks resulted in data exfiltration from the financial firms.
Sources
- Primary source on file. It names the organization, so it is not linked while this entry is anonymized.
- Upstream: Security news (RSS + Claude). The upstream record names the organization, so it is not linked here.
- Candidate incidents extracted from public security reporting; every entry links its article
Defenses for this class of incident
all categoriesA data breach sits in these classes of the AI-security landscape. The companies below work on that class of problem. This is a taxonomy, not a claim that any of them would have changed this incident.
Vendor data: AI Security Startups Map by Prompt Security (CC BY 4.0), synced daily. startups.prompt.security. Paid placements are labelled Sponsored; HeimWall, which runs this site, is labelled Operator. 452 companies in the directory.
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