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Daishin, Mirae Asset and Bithumb report customer data breaches in South Korea

Yonhap reported Wednesday that Daishin Securities, Mirae Asset Global Investments and crypto exchange Bithumb disclosed customer-data incidents, with Daishin citing 38,490 affected customers.

Three South Korean financial firms — Daishin Securities, Mirae Asset Global Investments and crypto exchange Bithumb — reported customer data breaches on Wednesday, Yonhap News Agency said1,2.

Daishin said personal information of 38,490 customers was accessed after the brokerage detected signs of unauthorized access last week1,2. The leaked data included names, email addresses and mobile phone numbers, according to Yonhap1,2.

Daishin said it was investigating with authorities, had notified affected customers, and would compensate them if the breach causes damage, in accordance with law1,2.

Some personal information of Bithumb customers was leaked in a cyberattack from an external party, Yonhap reported, citing an industry source1,2. Financial authorities have begun an inspection into a data breach at Mirae Asset Global Investments, the same dispatch said1,2.

Reuters published a short item attributing the three-firm report to Yonhap; that page could not be read in full from the desk3. Yonhap did not publish independent counts for Bithumb or Mirae Asset, or name the attackers2.

Sources

  1. The Korea HeraldSouth Korean financial firms confirm data breach of customer data
  2. Yonhap(LEAD) South Korean financial firms confirm data breach of customer data
  3. ReutersThree South Korean financial firms including Bithumb report data breaches, Yonhap says

How it’s being reported

3 sources

(LEAD) South Korean financial firms confirm data breach of customer data

Daishin's disclosure of names, emails and phone numbers leaked after unauthorized access last week.

Three South Korean financial firms reported customer data breaches, with Daishin giving a count and saying it would compensate if customers are harmed.

Leaves out Independent confirmation of the Bithumb and Mirae Asset incidents beyond an industry source and a regulator inspection.