Card information leaked on "Shogakukan" related site There is also a risk of unauthorized use November 16 20:44
The system of the online shop operated by the affiliated company of the major publisher "Shogakukan" was illegally accessed, and there is a risk that more than 1000 credit card information was leaked and used illegally in the five years until June. I found out.
The information leaked was the credit card information of the customer who used the online shop "BOOK SHOP Shogakukan" operated by "Shogakukan Publishing Service".
According to the company, the card names, card numbers and expiration dates for 1036 users, and the security code were leaked.
In June, the company was pointed out by a credit card company that information about people who used the site might have been leaked, and we have been conducting an investigation.
As a result, it was found that there was unauthorized access to the system server, and some users who made credit card payments on this site during the five years from April 13, 2015 to June 15, 2015. This means that the information on the server may have been leaked and used illegally.
The company has stopped operating the site since June, and will try to prevent recurrence by contacting users who may have leaked information individually and strengthening system safety measures. is.