Multiple banks in South Korea have been hacked, with suspected involvement of artificial intelligence, and Lee Jae-myung has demanded a thorough investigation.

Multiple South Korean banks have recently been hit by a series of hacker attacks, resulting in personal information leaks, with artificial intelligence suspected to be involved, according to South Korean media outlets including Yonhap News Agency, The Hankyoreh, and Korea Economic Daily on the 6th. According to Yonhap News Agency and South Korean financial authorities, multiple South Korean banks have recently been hit by successive hacker attacks. Approximately 25,000 customers of Shinhan Bank had their information leaked, 119 customers of KB Kookmin Bank had their information leaked, 89 customers of Hana Bank had their information leaked, and 11 outsourced employees of BNK Busan Bank had their information leaked. Attacks suspected of using AI also occurred simultaneously at savings banks, loan companies, and mutual financial institutions. In this attack, there were signs of abuse of the open-source cybersecurity tool ARTEX. According to Yonhap News Agency, ARTEX can invoke multiple AI models such as Anthropic's Claude and OpenAI's GPT, and was originally intended to help institutions discover network vulnerabilities, but hackers are suspected of abusing it for attacks. To evade tracking, the attackers carried out the operation through more than 20 IP addresses in over 10 countries, including the United States, Japan, and Germany, and the suspects' identities have not yet been determined. South Korean President Lee Jae-myung demanded a thorough investigation and the formulation of countermeasures, and on the 6th further urged prompt inspection of the security systems of the private sector and national core systems, and the immediate adoption of necessary security encryption measures.