Historic Korea Data Leak Caps Record Year for Cyber Breaches

Bloomberg • December 1, 2025

A massive data breach at South Korea’s largest e-retailer Coupang Inc. caps what is set to be a record year for online leaks in the country, highlighting weaknesses in Seoul’s cyber defenses.

Coupang , known for its popular early morning grocery deliveries, said 33.7 million customer accounts were affected by the leak, which compromised email and shipping addresses as well as phone numbers.

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Coupang Data Breach Affects 33.7 Million Customers in Record Cyber Breach Year Coupang Inc., South Korea's largest e-retailer, experienced a significant data breach affecting 33.7 million customer accounts. The breach compromised email and shipping addresses as well as phone numbers, marking a record year for online data leaks in the country. 3 sources 41

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Historic Korea Data Leak Caps Record Year for Cyber Breaches

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