According to CoinMeta, as reported by Yonhap, South Korea's second-largest cryptocurrency exchange, Bithumb, has confirmed an internal data breach that affected three Korean financial companies due to a cyber intrusion. On October 27th, Bithumb detected unauthorized access to its internal mobile office system, and whether customer information was leaked is still under investigation. Daeshin Securities has also confirmed that the personal and credit information of approximately 38,490 customers was compromised. Future Asset Global Investment Company has also reported a hacking incident, and financial regulatory authorities are investigating. So far, no theft of funds has been reported, and the connection between these incidents is not yet established.