Kinokuniya: unauthorized access to magazine delivery sites, and data of up to 9,881 people may have leaked
Prompted by police, it found that database table names had been obtained. Names, addresses and more of up to 9,881 people on three sites on the same server may have leaked.
Disclosed
2023-12-21
Organizations involved
2
Leaked or at risk
9.9K
9,881
Downtime
Unknown
What happened
Police told it of a cyberattack on its Japanese magazine delivery information site, and it began investigating. It found that database table names had been obtained. [2]
It announced the case. It found a vulnerability in part of the sites and said it has been fixed. Its client Fujisan Magazine Service announced the impact the same day. [1] [2]
Impact
Data of 9,881 people in total may have leaked: 294 names from Japanese magazine delivery data, 7,491 records of name, address and phone number from the overseas magazine delivery management system, and 2,096 such records from the academic journal system. There is no trace of the table contents being accessed or the data being taken. Credit card and bank account data are not included. [2] [3]
Fujisan Magazine Service, which had outsourced overseas magazine delivery, said the name, kana, postal code and address of 6,329 subscriptions may be affected. It says it has not confirmed that the outsourced data flowed out. [1]
Timeline
- Started, Detected 2023-11-01
- Disclosed 2023-12-21
- 50 days
Attack or cause
- Method
- [Web app exploit]
- Impact
- [Data leak]
- Entry point
- Web app
Data exposed or at risk
Supply chain
- Organizations listed on this site
- 2
Organizations involved
[Through a supplier][Major]Tokyo, ShibuyaWholesale and retail trade6,329 leaked
Fujisan Magazine Service Co., Ltd.[Breached][Major]Tokyo, ShinjukuWholesale and retail trade9,881 leaked
Kinokuniya Company Ltd.
Sources
- [1][Official]業務委託先での個人情報等漏えいの可能性に関するお知らせFujisan Magazine Service Co., Ltd. · 2023-12-21
- [2][News]紀伊国屋書店でサイバー攻撃による不正アクセス被害、最大約1万件の個人情報漏洩かNikkei xTECH · 2023-12-22
- [3][News]紀伊国屋書店不正アクセス、合計9,881件の情報流出懸念cybersecurity-jp.com · 2023-12-27
- [4][News]紀伊國屋書店に不正アクセス、委託元の富士山マガジンサービスにも影響ScanNetSecurity · 2023-12-26 08:05