Seoyon E-Hwa Summit, a subsidiary of Seoyon E-Hwa, experienced a ransomware attack by the Netrunner group on April 3, 2026. The company, an automotive components manufacturer, operates in the US. The attack involved data exfiltration, targeting the domain seoyonehap.com.
The specific types of data exposed, the number of individuals affected, and the states specifically impacted beyond a general US location are not yet available. It is also unclear if sensitive data such as SSN, medical, or financial information was involved. As this incident was discovered recently, formal breach notification processes and legal filings may still be in initial stages or have not yet been publicly disclosed.
Details about data breaches often emerge over time, and official notices can be delayed.