Police raid e-commerce giant Coupang's Seoul offices in data breach probe

By Park Sae-jin Posted : December 9, 2025, 14:11 Updated : December 9, 2025, 14:11
This file image shows a Coupang delivery van parked outside a logistics warehouse YONHAP
This file image shows a Coupang delivery van parked outside a logistics warehouse. YONHAP

SEOUL, December 09 (AJP) - Implying full-scale government scrutiny, South Korean police on Tuesday raided Coupang’s Seoul offices over the massive data breach that exposed the personal information of an estimated 33.7 million accounts. 

The Seoul Metropolitan Police Agency’s Cyber Investigation Division began the search-and-seizure at around 11 a.m. at Coupang’s offices in Songpa-gu. A 17-member investigative team, led by a superintendent-level chief, was deployed to confiscate internal documents and server logs believed to be linked to the breach. 

The move suggests authorities are examining potential security negligence by the e-commerce giant. Police officials said the seizure was necessary to determine the full scope of the incident and track how the breach unfolded.

Legal and public pressure on Coupang has mounted as consumer confidence deteriorates rapidly.

Data from IGAWorks MobileIndex shows that Coupang’s daily active user count has dropped by more than 2.04 million since the company disclosed the breach, sliding into the mid-15-million range as of December 6. Analysts note that many users appear to have left the platform after checking whether their accounts were affected.

The investigation, which began after Coupang filed an initial report on November 18, is increasingly centered on a former Chinese employee identified by the company as the primary suspect. Police, however, emphasize that the inquiry remains wide-ranging and that conclusions will depend on digital forensics and internal record analysis.

Given the scale of Coupang’s systems, the raid is expected to continue beyond a single day to process the extensive volume of data. Authorities said no secondary crimes, such as phishing attempts or home break-ins, have been confirmed so far using the exposed information.

The forced judicial intervention underscores the severity of the governance lapses facing South Korea’s dominant online retailer, as investigators probe not only the breach itself but the safeguards that failed to prevent it.
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