A massive data breach at huge online retailer Coupang, which is registered and listed in the U.S., has both countries claiming the right to act.

South Korea's Fair Trade Commission on Wednesday designated Kim Bom, the founder of U.S.-listed e-commerce giant Coupang, as the company's controlling entity.

A massive data breach at huge online retailer Coupang, which is registered and listed in the U.S., has both countries claiming the right to act.