LINE Pay: campaign participation data was viewable on GitHub, involving 51,543 accounts in Japan
A group-company contractor's employee uploaded an investigation program and payment data to GitHub, making it public. Names and addresses were not included.
Disclosed
2021-12-06
Organizations involved
1
Leaked or at risk
51.5K
51,543
Downtime
Unknown
What happened
Around 15:13 an investigation program and payment data were unintentionally uploaded to GitHub and became viewable. [1] [2]
It detected the data at 18:27 through internal monitoring and finished deleting it from GitHub at 18:45. [1]
It finished checking the access and secondary spread. [1]
Around 16:00 it notified the affected users and announced the case. [1] [2]
Impact
The identifiers, merchant management numbers and campaign information (name, payment amount and date) of 51,543 accounts in Japan (133,484 including overseas) for December 26, 2020 to April 2, 2021 were viewable from September 12 to November 24, 2021. Names, addresses, phone numbers, email addresses, card numbers and account numbers were not included. Outsiders accessed the data 11 times. [1] [2]
Timeline
- Started 2021-09-12
- Detected 2021-11-24
- Disclosed 2021-12-06
- 85 days
Attack or cause
- Method
- [Misconfiguration]
- Impact
- [Data leak]
- Entry point
- Unknown
Data exposed or at risk
Organizations involved
[Breached][Major]Tokyo, ShinagawaFinance and insurance51,543 leaked
LINE Pay Corporation
Sources
- [1][Official]【LINE Pay】一部ユーザーのキャンペーン参加に関わる情報が閲覧できる状態になっていた件のお知らせとお詫びLINE Corporation · 2021-12-06
- [2][News]LINE Payユーザー51,543アカウントの識別子がGitHubで閲覧可能にScanNetSecurity · 2021-12-08 08:05