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Coupang files lawsuits over $462 million in South Korea fines over data breach

Channelnewsasia • October 8, 2026

SEOUL, Oct 8 : E-commerce firm Coupang said on Thursday it has filed two administrative lawsuits against 620 billion won ($462.75 million) in fines imposed by South Korea's government over a data breach.

The US-listed company confirmed the filing in a text message to Reuters. ($1 = 1,339.8200 won)

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Coupang Challenges $462 Million Fine Over Major Data Breach Coupang, a leading e-commerce platform in South Korea, has filed two lawsuits against a record fine of 624.7 billion won ($462 million) imposed by the Personal Information Protection Commission due to a significant data breach affecting 37.5 million users. The breach, which occurred in November 2025, involved unauthorized access to personal information, including names, phone numbers, and delivery details. Coupang argues that the penalties are disproportionate, claiming they took swift action to mitigate the breach after its discovery. The fines include 423.6 billion won for the data breach itself and an additional 201.1 billion won for violations related to unauthorized data collection. This incident has also raised tensions between South Korea and the United States, with U.S. officials expressing concerns about the treatment of Coupang's Korean operations during the investigation. 4 sources 41

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Coupang files lawsuits over $462 million in South Korea fines over data breach

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