[Bithumb Updates on Hack Incident: 6,444 User Informations Stolen, Most Unreadable] BlockBeats reports that on October 29th, South Korean cryptocurrency exchange Bithumb released an update on the hacking incident. Bithumb stated that on October 27th, unauthorized external personnel breached the company's internal mobile office system (Daou Office), resulting in the leakage of some personal information. This system is completely separate from exchange account and asset information, and no direct intrusion into the trading system or customer database has been found. The company has strengthened real-time monitoring of abnormal transactions and withdrawals. Bithumb disclosed that the current scale of the leak is 6,444 people (of which 5,600 people's information is encrypted and unreadable, leaving 844 people whose information is actually readable); in addition, the information of 715 employees/partners was leaked. The names, mobile phone numbers, email addresses, resident registration numbers, driver's license numbers, bank account numbers, and copies of ID cards of the relevant personnel were stolen. Bithumb emphasized that it immediately blocked access, suspended the relevant systems, and completed an incident report to the Korea Internet & Security Agency and the Personal Data Protection Commission. On October 27, Bithumb discovered that its internal mobile collaboration system had been accessed by unauthorized external personnel, resulting in a breach of personal information. The company is currently analyzing the scope of the breach, including whether it involved member information.