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

Fukuya: FUKUYA ONLINE was accessed without authorization and its payment program was altered, so card data of 1,779 customers may have leaked

Its payment program was altered to show a fake entry screen, and card data of 1,779 customers may have leaked.

Disclosed

2021-08-16

Organizations involved

1

Leaked or at risk

1.8K

1,779

Downtime

Unknown

What happened

  1. From this day, a vulnerability in the site was exploited, the payment program was altered, and a fake card entry screen was embedded. [1] [2]

  2. A card payment agent reported fraudulent use, and the site was closed the same day. [1] [2]

  3. The malicious program was removed. [1]

  4. A third-party firm reported that its investigation was complete. [1] [2]

  5. It reported the damage to a police station. [1] [2]

  6. It reported to the Personal Information Protection Commission. [1] [2]

  7. It announced the case, began contacting the customers concerned and set up a dedicated call center. [1] [2]

Impact

The names, numbers, expiry dates and security codes of 1,779 customers who paid by card between February 15 and March 19, 2021 may have leaked. The customer database was also reachable, but no record of data being taken was found. [1] [2]

Why the announcement was late

The company said that, after talking with its payment agent, it decided to announce only after the third-party investigation result and coordination with the card companies. [1]

Timeline

  1. Started 2021-02-15
  2. Detected 2021-05-06
  3. Disclosed 2021-08-16
  4. 182 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]弊社が運営するオンラインショップへの不正アクセスによる個人情報流出に関するお詫びとご報告Fukuya Co., Ltd. · 2021-08-16
  2. [2][News]「FUKUYA ONLINE」に不正アクセス、1,779名分のカード情報流出ScanNetSecurity · 2021-08-18 08:00