Bookoff Group Holdings Limited
Apology and Notice Regarding Personal Data Leak Due to Unauthorized Access (Third Report)
Published the third report regarding a member information leak caused by unauthorized access. The scope of impact remains the same as the previous report; approximately 6,382,000 affected members. No leakage of credit/banking information has been confirmed at this time, and recurrence prevention measures have been strengthened. Impact on financial results is currently limited, but expense recognition is expected from the second quarter of fiscal 2027 onward.
Key Figures
- Number of affected member data records: 6,427,735 cases
- Number of affected individuals: 6,383,279 people
- Categories of member information involved: name, date of birth, gender, occupation, nickname, email address, phone number, address, password hash values, loyalty card number, membership number
AI要約
Overview and Background
This is the third report, published in October 2026, regarding the personal data leak due to unauthorized access, updating investigation results and response status. This disclosure confirms no change to the range of affected services or scope; the information that may have been leaked is primarily member information (name, date of birth, email address, etc.), and payment information is not included.
Recurrence Prevention and Response
The group continues to implement security measures across the organization, including blocking the unauthorized access route, strengthening authentication and authorization, enhancing monitoring, and reinforcing verification processes including third-party assessments. The company will continue to strengthen monitoring and detection capabilities and enhance security governance.
Bookoff Group Holdings Limited
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