Daishin, Mirae Asset and Bithumb hit by new South Korea cyberattacks
South Korean brokerages Daishin Securities and Mirae Asset Global Investments, along with crypto exchange Bithumb, disclosed separate cybersecurity incidents this week. Daishin confirmed that personal data of 38,490 customers—including names, emails and phone numbers—was exposed, and said it has notified affected users and will offer compensation as required. Mirae Asset and Bithumb have not confirmed whether customer data was compromised, and investigators have not yet determined the cause of the breaches.
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The attacks come about a month after an earlier wave of breaches tied by researchers to a suspected China-based hacker using an AI penetration-testing tool, suggesting financial firms in the region remain exposed to increasingly automated hacking methods. South Korea's financial regulator has urged stronger cybersecurity measures and plans sector-wide IT security checks, a sign officials see the risk as systemic rather than isolated. A similar incident at Japan's GMO Internet this week points to a broader pattern of cybersecurity strain across Asian financial institutions, though no formal link between the cases has been established.
- Daishin Securities confirmed a breach exposing data of 38,490 customers.
- Mirae Asset and Bithumb reported incidents but have not confirmed data theft.
- South Korean regulators are pushing stronger cybersecurity checks across private-sector IT systems.
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Published there as: “South Korea’s financial industry hit by fresh wave of cyberattacks”
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