BlockBeats report, October 29: South Korean cryptocurrency exchange Bithumb has issued an update regarding the aftermath of the hacking incident. Bithumb stated that on October 27, unauthorized external parties infiltrated the company’s internal mobile office system (Daou Office), resulting in the exposure of some personal information. This system is completely segregated from exchange accounts and asset data, and no direct breach of the trading system or customer database has been detected. The company has enhanced real-time monitoring for suspicious transactions and withdrawals.
Bithumb has disclosed that the breach currently affects 6,444 individuals (of whom 5,600 have encrypted data that cannot be read, leaving 844 with readable leaked information); additionally, 715 employee or partner personnel records have been compromised. Stolen information includes names, phone numbers, email addresses, resident registration numbers, driver’s license numbers, bank account details, and copies of identification documents.
Bithumb emphasized that it immediately blocked access, disabled the relevant systems, and reported the incident to the Korea Internet & Security Agency and the Personal Information Protection Commission.
On October 27, Bithumb discovered that its internal mobile collaboration system was improperly accessed by an external unauthorized party, resulting in a personal information leak. The company is currently analyzing the extent of the breach, including whether member information was involved.