Key facts
- Bithumb is investigating a data leak from its internal mobile system.
- Customer virtual assets are not affected by the breach.
- Daishin Securities reported a leak of personal and credit information for 38,490 customers.
South Korean cryptocurrency exchange Bithumb is investigating a data leak that originated from a breach of its internal mobile system earlier this week. The exchange discovered the incident on Tuesday and has since notified relevant authorities, including the Korea Internet & Security Agency and the Personal Information Protection Commission. Bithumb has stated that customer virtual assets are secure, as the internal work system is separate from the virtual asset trading system. The incident occurs amid a broader trend of cyberattacks affecting South Korean financial firms, with Governor Lee Chan-jin of the Financial Supervisory Authority reporting 16 firms hit as of October 14. Other affected entities include Daishin Securities, which reported a leak of data for 38,490 customers, and Mirae Asset Global Investments, which is investigating an incident involving abnormal external access.