Luxury brand Louis Vuitton Korea has confirmed a data breach that compromised some customer data, including contact information.

The South Korean unit has announced that an unauthorised third party accessed its system, leading to the leak.

The breach, however, did not involve customers' sensitive financial information, such as passwords, credit card or bank account details.

The compromised personal information may vary for each customer. It potential includes names, genders, contact details and other customer-provided information.

Louis Vuitton Korea has taken steps to contain the breach and enhance system security.

The company became aware of the breach on 2 July 2025 and immediately notified government authorities.

Louis Vuitton Korea said in a statement: “Considering the characteristics of leaked information, we recommend that you pay special attention to the unexpected communication or other suspicious contact. Also, please never share your Louis Vuitton password with others.

"The accident is currently blocked, and we are further strengthening system security and working with the best experts in cyber security."

The South Korean units of Christian Dior Couture and Tiffany, also part of the world's largest luxury group, have been under investigation by the country's Personal Information Protection Commission since May 2025 for reported customer data leaks earlier.