Key facts
- Hundreds of Bithumb customers' personal information was leaked.
- The data leak occurred due to a cyberattack on Bithumb's mobile system.
- Daishin Securities and Mirae Asset Global Investments were also targeted in cyberattacks.
Hundreds of customers' personal information at cryptocurrency exchange Bithumb has been leaked in a recent cyberattack, industry sources said Thursday. Bithumb reported a data breach in its in-house mobile system on Wednesday, initially believed to affect only employees. After analyzing the scope of the leak, Bithumb found that customer data had also been exposed. The exchange was among three financial firms, including Daishin Securities and Mirae Asset Global Investments, targeted in recent hacking attacks.