Company
BOOKOFF Corporation
BOOKOFF Corporation (Minami, Sagamihara, Kanagawa; Wholesale and retail trade) appears in 2 related cybersecurity incidents. The latest was disclosed on 2026-10-09.
Profile
- Industry/type
- Wholesale and retail trade
- Location
- Kanagawa, Sagamihara, Minami
- Also known as
- BOOKOFF
- Services
- Website
- https://www.bookoff.co.jp/
- Parent
- BOOKOFF Group Holdings Limitedsince 2018-10-01
Public figures
Users and members10,000,0002026-01-31
BOOKOFF Corporation (PR TIMES): ブックオフ公式アプリが会員数1,000万人を達成！
Incident history
Disclosed 2026-10-09Updated 2026-10-22Kanagawa[Contained][Severity: Critical][Breached][Critical]
BOOKOFF: unauthorized access to the member system[Intrusion][Data leak]Leaked 6.4MOrganizations 1Disclosed 2020-03-04Updated 2020-03-05 08:00Kanagawa[Resolved][Severity: Moderate][Breached][Moderate]
BOOKOFF: an email to BOOKOFF Online members carried a file listing 1,309 members' email addresses[Misdelivery][Data leak]Leaked 1.3KOrganizations 1