South Korea’s president says AI was used to hack the banks

“The banks didn’t lose the money. They lost the assumption that hacking still required a hacker.”

The Story

President Lee Jae Myung told cabinet that signs of AI use in a wave of bank hacks are causing “considerable public concern.” Police opened a full investigation after breaches at seven firms, including Shinhan (~25,700 customers) and Yegaram Savings (~40,000). No funds are reported stolen; loan and identity data were. Security researchers say traces of Artex, a Chinese-language open-source AI pentest console, appeared in at least one attack. Lee asked the country to rebuild cybersecurity “for the AI era.

Why It Matters

The kitchen-knife problem: a public agentic pentest tool shows up in a national banking panic. Institutions that felt “too secure for this” just met a non-expert attacker with a model.

Evidence

Reuters; Financial Times; Korea Herald (6 Oct 2026)

Sources

Daily scan: 2026-10-06