Treasure Factory Co.,LTD.
Investigation Results and Recurrence Prevention Measures Regarding Personal Information Leakage Due to Unauthorized Access at Our Consolidated Subsidiary (Third Report)
Investigation into unauthorized access at a consolidated subsidiary has been concluded. The number of affected individuals is 136,464, of which 109,311 include address information. Credit card information and EC site login passwords were not included. Recurrence prevention includes implementation of two-factor authentication, restriction of permissions, and strengthening of cybersecurity structure. The company explains the impact on performance is minor.
Key Figures
- Number of affected individuals: 136,464 people
- Including address information: 109,311 people
- Estimated impact amount: Unknown (impact on performance is minor)
AI要約
Investigation Results and Cause
The investigation into unauthorized access at the consolidated subsidiary has been completed, and the number of affected individuals has been confirmed at 136,464. The number including address information is 109,311, and credit card information and EC site login passwords were not part of the leaked data. The cause was credential theft via phishing emails, and vulnerabilities were identified including lack of two-factor authentication and weaknesses in permission design.
Recurrence Prevention and Strengthening of Structure
The subsidiary has implemented two-factor authentication, conducted a permissions inventory, restricted data export permissions, and strengthened verification procedures for critical operations. At the group level, the company will establish information security guidelines, revise CSIRT operation policies, set up an information security liaison council, and continue inventorying and remediating external tools.
Treasure Factory Co.,LTD.
Company overview · Stock price · Financial data · All IR
