Fabrica Holdings Co., Ltd.
Notice of Completion of Investigation into Unauthorized Access at Consolidated Subsidiary (Final Report)
The investigation into unauthorized access by a third party to the SMS delivery system of consolidated subsidiary Media4u has been completed. The number of personal data records exposed did not exceed the maximum estimate, and no leakage of password or payment/billing information was confirmed. Recurrence prevention measures and permanent countermeasures have been implemented; the impact on the fiscal year ending March 2027 is expected to be minor.
Key Figures
- Scope of impact: Number of leaked cases did not exceed the maximum estimate
- Recurrence prevention: Established a dedicated organization (August 1, 2026)
- Impact on results: Expected to have minor impact on consolidated results for the fiscal year ending March 2027
AI要約
Investigation Results and Current Status
An investigation by an external specialist organization confirmed the findings of the internal investigation to date, and it was verified that the files taken externally have been identified. The number of personal data records exposed did not exceed the maximum estimate, and no leakage of password information or payment/billing information was confirmed. Since containment on June 24, no additional unauthorized access or secondary damage has been confirmed, and services are operating normally.
Recurrence Prevention and Future Measures
Media4u has implemented an automatic IP address block function for failed login attempts and strengthened its password policy. A dedicated security response organization was established on August 1, 2026, and the company will continue to implement permanent countermeasures and maintain monitoring systems.
Fabrica Holdings Co., Ltd.
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