Casio: a development-environment database of its education app "ClassPad.net" was accessed from outside and customer data in Japan and abroad leaked

1. 2023-10-11

   It noticed a failure of the development-environment database in the evening. [1]

2. 2023-10-12

   An investigation confirmed that data had leaked abroad. [1]

3. 2023-10-16

   It reported to the Personal Information Protection Commission and others. [1]

4. 2023-10-18

   It announced the case. Part of the security settings of the development network had been disabled by an operational error. [1] [2]

Data of 91,921 customers in Japan (individuals and 1,108 educational institutions) and 35,049 abroad (148 countries and regions) leaked: name, email address, country, school, grade, class and ID, purchase information and usage history. No credit card data is included. [1] [2]