South Korean Payment Gateways Hit by Mass Credit Card Data Breach; Suspected Chinese Hacker Alerted Regulators First — BigGo Finance

South Korea’s Financial Supervisory Service has launched inspections of Toss Payments and Coem Payments following a mass credit card data breach involving tens of thousands of records. The incident was uniquely exposed by a suspected Chinese hacker who alerted authorities to vulnerabilities, potentially exploited using generative AI.

Edward Kiledjian @ekiledjian