S Point: about 10 million login attempts on the member site broke into 1,094 accounts
The member site of the Hankyu Hanshin group's point program was hit by brute force logins. Names and points of 44 members were seen and one member's points were exchanged.
Disclosed
2020-08-11
Organizations involved
3
Leaked or at risk
1.1K
1,094
Downtime
Unknown
What happened
From this day to August 2, about 10 million login attempts came from several foreign IP addresses. [1] [2]
The attack was discovered and the member site was suspended. [1] [2]
Public disclosure; affected members were informed by email. [2]
The member site reopened, and users were asked to set new passwords. The terms of use were revised along with the new login method. [3]
Impact
Response
Timeline
- Started 2020-07-24
- Detected 2020-08-06
- Disclosed 2020-08-11
- 18 days
Attack or cause
- Method
- [Credential abuse]
- Impact
- [Data leak][Fraud]
- Entry point
- Unknown
Data exposed or at risk
Services hit
Organizations involved
[Breached][Major]Osaka, IkedaTransport and postal services
Hankyu Hanshin Holdings, Inc.[Breached][Major]Osaka, Osaka, KitaWholesale and retail trade
H2O Retailing Corporation[Breached][Major]Osaka, Osaka, KitaOther services
Hankyu Hanshin Point Co., Ltd.
Sources
- [1][News]「Sポイント」会員サイトに約1000万回のログイン試行 - ポイント交換もSecurity NEXT · 2020-08-12
- [2][News]Sポイントメンバーサイトにブルートフォースアタック型攻撃、1名のポイントが不正交換(阪急阪神ホールディングス他)ScanNetSecurity · 2020-08-13 08:00
- [3][Official]【重要なお知らせ】Sポイントメンバーサイト再開とパスワードの取り直しのお願いHankyu Hanshin Point · 2020-09-15