> JapanHacked_
[Resolved][Severity: Critical][Web app exploit]

Titicaca: its online shop was accessed without authorization, and card data of 861 customers may have leaked

A vulnerability in the system was exploited and the payment application was altered; card data of 861 customers may have leaked.

Disclosed

2021-12-23

Organizations involved

1

Leaked or at risk

861

861

Downtime

Unknown

What happened

  1. A customer reported purchases they did not recognize. [1] [2]

  2. It stopped card payments. [1] [2]

  3. It reported to the Personal Information Protection Commission and filed a damage report with the police. [1]

  4. It stopped the site and began an investigation by a third-party firm. [1] [2]

  5. The investigation finished and confirmed that card data might have leaked. [1] [2]

  6. It announced the case and notified affected customers by email. [1] [2]

Impact

The card holder names, numbers, expiry dates and security codes of 861 customers who paid by card between September 29 and October 29, 2021 may have leaked. A vulnerability in part of the system was exploited and the payment application was altered. Some cards may have been misused. [1] [2]

Timeline

  1. Started 2021-09-29
  2. Detected 2021-10-21
  3. Disclosed 2021-12-23
  4. 85 days

Attack or cause

Method
[Web app exploit]
Impact
[Data leak]
Entry point
Web app

Data exposed or at risk

[Payment card][Name]

Organizations involved

Open in organization search

Sources

  1. [1][Official]弊社が運営する「チチカカオンラインショップ」への不正アクセスによる個人情報漏えいに関するお詫びとお知らせTiticaca Co., Ltd. · 2021-12-23
  2. [2][News]洋服・雑貨販売「チチカカオンラインショップ」に不正アクセス、861名のカード情報が流出ScanNetSecurity · 2021-12-27 08:05