[South Korean virtual currency exchanges and securities companies were hacked] On October 28, according to news from South Korea’s financial sector and related industries on the 28th, the Financial Supervisory Service found that three units of the virtual currency exchange “Bithumb”, Mirae Asset Global Investments and Dasin Securities were hacked. Dasin Securities issued a press release that morning, saying that the personal information and credit information of 38,490 customers were leaked. Bithumb discovered the day before that the company's internal mobile office system had been abnormally accessed by unauthorized external personnel, resulting in the leakage of personal information. Bithumb is analyzing the specific scope of leaks such as member information. The Financial Supervisory Service has dispatched an on-site investigation team to Dasin Securities to learn more about the situation. Following the system intrusion of Mirae Asset Life Insurance Company on the 26th of this month, which resulted in the leakage of customer information, Bithumb, Mirae Asset Global Investments, and Dasin Securities were also found to have suffered hacker attacks. So far, except for credit card companies, almost all major financial industries in South Korea have confirmed that they have been attacked by hackers.