WORLDEF ISTANBUL 2026 - Early Bird Registration Ends Soon

Register Now
Marketplaces

Coupang Data Breach: Responsible Person Identified, Leaked Data Deleted

South Korea’s leading e-commerce company Coupang, 33 million over customer affecting a large data breach’s responsible person identified it stated. This breach, local and international authorities between concerns led and still South Korean authorities by investigated is.

Editor Editor
Share this article:
December 25, 2025

South Korea’s largest e-commerce platform operating Coupang, the breach a former employee by, stolen security keys with customer data to access result happened it confirmed. Company’s, Mandiant, Palo Alto Networks and Ernst & Young like cybersecurity firms from support by forensic investigation, the breach this person traced. Coupang according to, former employee only about 3,000 customer accounts’ data saved and then these data deleted. Other data however, affected not.

Company, stolen data’s customers’ names, email addresses, phone numbers and home addresses like information includes it reported. However, payment information, login information and customs numbers like sensitive data’s leaked not emphasized it. Coupang, the data’s third parties to transferred not also guaranteed.

Former Employee, Leaked Data Containing Laptop River Threw

The breach public to reflected after, the suspect worried and evidence to destroy for steps took it reported. Former employee, leaked data containing a laptop a river threw to hide tried. Laptop, suspect’s gave location information according to divers by recovered. Also, suspect, the data’s stored second computer’s deleted also destroyed.

Coupang, the breach’s solved steps taken although, South Korean authorities cautious acted. South Korean Ministry of Science and Technology, Cou pang’s statements’ yet verified not and official investigation continuing emphasized it. Government, the event’s to investigate a task force formed and this task force’s findings yet released not. This situation, the company’s statements’ accuracy towards public in doubt raised, because government yet the event’s inner face verified not.

Coupang’s Breach, South Korea’s History’s Most Serious Data Breaches Among One

Coupang, the data’s recovered and secured after, the breach important legal and regulatory challenges led. Company, South Korea and United States in class actions facing. Plaintiffs, personal information’s leaked potential harms for compensation requesting. South Korea President Lee Jae Myung, company’s corporate negligence because tougher penalties against to given be called for. Breach, South Korea’s history’s most serious data breaches among one described was.

Lawsuits addition to, police, Coupang’s Seoul in headquarters to raid and company’s breach handling way towards scrutiny increased. South Korea Presidency, affected people to accountability and appropriate compensation to provided demanded.

Coupang Faces Class-Action Lawsuit in the US Over Massive Data Breach