Coupang’s Coupang of Korea says the data breach exposed the information of about 34m customers

South Korea’s E-Courcept accident at the end of the week for Korean customers.

The company said it had detected the unauthorized exposure of 4,500 user accounts on November 18, but a subsequent investigation revealed that the breach involved 23.7 million customers in South Korea.

Breach of customers, email addresses, phone numbers, shipping addresses and history, at play. Personal information such as payment information, credit card numbers, and login credentials are not compromised and remain secure, the company said.

Coupang said that it has reported the incident to the Korea Intercy Agency (Kisa), Your Big Secret (Pipc), and the national agency.

One of the largest platforms in South Korea, Coupang also offers a quick service called “rocket Stock” in the country, and also operates in the market in Japan and Taiwan. A spokesperson for Coupserston told Tech that the investigation found no evidence that Coutomer Taiwan or Rocket Now were involved in the data breach.

“According to research so far, it is believed that unauthorized access to humanity began on June 24, 2025, through a circular server,” the company said. “Coungle closed down the informal process, strengthened internal audits, and became an expert from an independent company.”

The police have he says they found out that he was the suspect, a former foreign worker, when they launched their investigation on November 18.

This is the latest Cables to experience in South Korea this year. Coupangyo has sickened several people who have it Visible customers and Driver information in the past years. Past events have included leaks between 2020 and 2021, and more recently December 2023when its sales management system compromised the information of more than 22,000 customers.