A cyberattack targeted Shinhan Bank’s loan-broker inquiry platform, exposing the personal and financial data of approximately 25,000 customers, including 66 resident registration numbers (South Korea’s equivalent of Social Security numbers). Hackers allegedly used AI tools to automate a credential-stuffing attack. South Korea’s Financial Supervisory Service launched an on-site inspection, while the bank set up an emergency task force and committed to fully compensating affected customers. Shinhan Financial Group disclosed the breach in a 6-K filing, an official document for US investors. The incident highlights the growing risk of automated hacking targeting peripheral platforms at financial institutions.
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