Prime Minister Han Seong-sook called Tuesday for a sweeping overhaul of the country's information protection system, warning that recent cyberattacks on major financial institutions show that current security measures are no longer effective. Several financial firms suffered back-to-back leaks of customer information in the recent attacks, including on Hana Bank, KB Kookmin Bank and Shinhan Bank. President Lee Jae Myung has said the issue should be taken seriously and called for a thorough investigation. On Tuesday, the prime minister presided over a meeting with related ministers to discuss the issue. "This is a serious situation because this incident is believed to have taken advantage of artificial intelligence, and if AI is used in phishing attacks, it could lead to secondary damage," Han said. "It is also a serious situation in that similar hacking methods could spread beyond the financial sector to industries, as well as government and public sectors." She said the rise in such information security breaches demonstrates that the existing security awareness, systems and government f