To customers who responded to the questionnaire on “戦国大戦 TCG“
Regarding the questionnaire on “戦国大戦TCG” (English version) conducted from July to August 2018, we have ascertained a limited period of time during which parties other than the administrator were able to access the data provided by participants.
We deeply apologize for this situation and take this incident very seriously. As the protection of personal information is of utmost importance to us, we continuously strive to improve the handling of such information and its management within our systems and our company.
Setting were partially misconfigured by the administrator
●Content of the data which was able to be accessed for limited period
All data provided by participants in response to the questionnaire
(including names and email addresses of participants)
All data related to the questionnaire was deleted from the servers and cannot be accessed.
●Measures to prevent recurrence
1. Individual security risk assessment before the conduction of any questionnaire
2. Issuance of an operational manual for administrators regarding the handling of personal information
3. In-company training regarding the handling of personal information for all employees
●Predicted effect and request from SEGA
As email addresses were accessible by third parties during a limited period of time, the possibility of receiving scam emails exists. Please be vigilant regarding emails with fraudulent or doubtful content, especially those from unknown senders bearing file attachments.
●Inquiries regarding this matter
We deeply apologize again to all players who kindly participated in our questionnaire for the inconveniences and worries we may have caused. We appreciate your continued support on “戦国大戦TCG”.