South Korea’s government convened an emergency meeting on Sunday following the confirmation that 33.7 million Coupang customer accounts had their personal information exposed over a five-month period. The breach, which is estimated to affect nearly the company’s entire customer base of 34 million monthly active users, was traced to an authentication vulnerability in Coupang’s servers, which allowed unauthorized access without a normal login.

The emergency meeting resulted in the immediate launch of a public-private joint investigation team. The exposed information includes customer names, email addresses, delivery phone numbers and delivery addresses. Coupang maintainsthat payment details, credit card numbers and