Tapioca Express: payment module of its Tapioca Express online shop altered, data of 623 cards at risk

1. 2019-10-21

   Card payment on the old site stopped as the shop moved to a new site. [1]

2. 2019-10-31

   Some card companies warned of a possible leak. [1]

3. 2019-12-19

   An outside investigation found that a flaw had been used to alter the payment application. The company reported to the PPC the same day. [1]

4. 2019-12-25

   The company reported the crime to the Kitazawa police. [1]

5. 2020-03-04

   Public disclosure. [1]

Card data of {n:623} customers who paid from 17 September to 21 October 2019 (name, number, security code, expiry and payment token) may have leaked, and some may have been misused. No leak was found on the new site. [1]