Fresh cyberattacks hit South Korean brokerages and crypto exchange

South Korea's financial sector has been hit by another wave of cyberattacks affecting brokerages Daishin Securities and Mirae Asset Global Investments and crypto exchange Bithumb. Daishin said personal data of 38,490 customers, including names, emails and phone numbers, was exposed. The attacks follow a September wave linked to an AI penetration-testing tool, and regulators have demanded tighter security.