A third party gained unauthorized access to the Matsuya official app's management system, resulting in the leakage of approximately 2.38 million personal records. The leaked information includes member IDs, delivery addresses, names, telephone numbers and Matsuya Points, but does not include credit card information.
Matsuya Foods Holdings announced on the 30th that it had confirmed unauthorized access by a third party to the management system for the Matsuya official app, resulting in the leakage of approximately 2,377,127 personal records. The leaked information includes member IDs, delivery addresses, names, telephone numbers and Matsuya Points. The company said it does not retain credit card information.
The cause and circumstances of the unauthorized access are currently under investigation, and the company is taking necessary steps, including reporting the incident to the Personal Information Protection Commission. It plans to contact individuals whose information may have been compromised in sequence.
The Matsuya official app is currently suspended as a result of the unauthorized access, making orders, use of points and the provision of various benefits unavailable. Matsuya announced measures including partially changing the operation of its app membership ranks, distributing coupons and offering discounts.