Coupang files lawsuits over 620 billion won data leak fine
South Korean e-commerce giant Coupang has filed lawsuits to challenge a 620 billion won fine imposed after a massive customer data breach.
FTMQ Security, written by our newsroom0 views
South Korean online retailer Coupang has filed lawsuits to contest a fine of 620 billion South Korean won over a major data leak, DataBreaches.net, The Korea Times, and Asiae reported. The legal action follows a November 2025 security breach that exposed the personal information of millions of users. [1][2][3]
According to DataBreaches.net, Coupang issued a public apology in December 2025 for the breach. The security incident affected more than 33 million customers of the e-commerce platform. [1]
DataBreaches.net noted that the incident has remained in the news cycle for nine months and serves as a case study in poor incident response. The legal challenge addresses both the data leak penalties and other regulatory violations, according to Asiae. [1][3]
Coupang was founded in 2010 by Bom Kim, a Harvard University graduate who initially launched the venture as a daily deals platform in Seoul. [5]
In short
- Coupang filed lawsuits against a 620 billion won fine.
- A November 2025 data breach at Coupang exposed information from more than 33 million customers.
- Coupang issued a public apology for the incident in December 2025.
Sources
Every paragraph above points to the numbered items it rests on. Read the originals here.
- [1]KR: Coupang files lawsuits against 620 billion won fine over data leakDataBreaches.net, 12h ago (the report this story comes from)
- [2]Coupang files lawsuits against 620 bil. won fine over data leakThe Korea Times, 13h ago
- [3]Coupang Sues Over 620 Billion Won in Fines for Data Leak, Other Violations아시아경제, 14h ago
Background
- [4]José Neves on Wikipedia
- [5]Coupang on Grokipedia
Our newsroom writes these reports with the help of software, from the 5 sources listed and nothing else, and checks them against those sources. Facts can still be wrong or move on; the originals are the record. Spotted a mistake? Write to daniel@monsterkong.com.
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