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South Korea bank hacks AI-use investigation

News Oct 6, 2026

South Korea's president said there were signs of AI use in recent bank cyberattacks, while authorities investigate and have not disclosed the tools or full breach scope.

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South Korea bank hacks AI-use investigation timeline

South Korean President Lee Jae Myung said on October 6 that signs of AI use had appeared in recent cyberattacks against banks, Reuters reported from a cabinet meeting. He asked officials to establish what happened quickly and limit damage. Police are investigating attacks that reportedly exposed customer information. The Financial Services Commission said Shinhan Bank and KB Kookmin Bank had reported cyberattacks; Reuters also cited Yonhap reporting about Hana Bank and Woori Bank. Authorities had not identified any AI model or tool, established how it was used, or disclosed the full scale of the breaches. The president’s assessment should not be treated as a completed technical finding.