South Korean cryptocurrency exchange Bithumb confirmed an unauthorized intrusion into its internal administrative software on October 28, 2026. The incident resulted in the exposure of customer personal information, according to findings published by Yonhap News Agency.
Representatives stated that user digital assets remained fully secure throughout the breach. The core order-matching engine and cold storage reserves operate on separate network infrastructure.
Simultaneously, domestic brokerage Daishin Securities reported exposed credit and personal files representing 38,490 affected customers. Mirae Asset Global Investments also announced defensive interventions after identifying anomalous access attempts across web portals.
The security event emerges amid sustained regulatory oversight across regional exchanges. Scrutiny heightened previously after authorities in South Korea opened full probe documentation covering execution safety and balance tracking systems.
Regulatory assessments indicate that the multi-target cyber offensive impacted 16 domestic financial entities. State investigators logged roughly 100,000 compromised personal files across banking, trading, and asset management institutions.
Strict technical requirements followed earlier administrative disruptions, including compliance mandates established after a swift regulatory crackdown reshaped reporting standards for licensed exchanges.
The Korea Internet & Security Agency (KISA) continues forensic analysis alongside national intelligence officers to isolate the intrusion point. Bithumb has not published the confirmed count of compromised client profiles.
This article is for informational purposes only and does not constitute financial advice.
