Bithumb Users Face Phishing Risks After Reported Data Leak

CZ's advice after four leaks in a single day: give every exchange its own email alias so one breach cannot be tied to your other accounts. Some customer personal data at South Korea’s second-largest crypto exchange, Bithumb, was reportedly leaked on October 28 after an external unauthorized party accessed one of its internal workplace tools. This is the latest in a string of similar incidents that have cut across crypto companies and traditional financial firms. What Bithumb and Korean Regulators Have Confirmed According to the Yonhap News Agency, the exchange detected abnormal access by an outsider without authority on October 27, inside its in-house mobile groupware system. While the exchange is said to still be working out the exact scope of the breach, another firm, Daishin Securities, which was also hit, reported that information on more than 38,000 of its customers, including names, emails, and phone numbers, was leaked. Mirae Asset Global Investment was also a victim, and Korea’s Financial Supervisory Service (FSS) is said to be investigating all three incidents and has already sent an on-site team to Daishin. At a meeting with the chairmen of eight bank holding companies, F...