Gujo Hachiman Industrial Promotion Corporation: the payment application of its "Gujo Hachimanya" shop was tampered with, and 2,972 card records and up to 6,920 personal records may have leaked

1. 2024-05-15

   The Gifu prefectural police told it that card data of customers who used the shop might have leaked. [3]

2. 2024-06-10

   It suspended card payments on the site and had a third-party investigation firm start work. [3]

3. 2025-02-09

   The investigation finished and confirmed that an unauthorized access exploiting a system flaw had tampered with the payment application and leaked card data. [3]

4. 2025-08-04

   It announced the incident. It said it had waited for the investigation results and coordination with card companies. [1] [2] [3]

Personal data such as names and addresses of up to 6,920 records, and 2,972 credit card records (card numbers, security codes and more), of customers who used the site from March 28, 2021 to May 17, 2024 may have leaked. Some cards may have been used fraudulently. [2] [3]