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

Dental Diamond: intrusion into its website shop may have leaked credit card data of 690 customers

Card data of customers who paid by card from April to August 2020 was taken, and some may have been misused. Card companies flagged it in October.

Disclosed

2020-12-16

Organizations involved

1

Leaked or at risk

690

690

Downtime

Unknown

What happened

  1. Card data of customers who paid by card from this day to August 25 may have leaked. [1] [2]

  2. Some card companies reported fears of a card data leak, and the firm stopped card payments the same day. [1] [2]

  3. An outside investigation ended and confirmed the cause as unauthorized access through a system weakness. [1] [2]

  4. The firm reported the damage to the police, and on the 4th reported to the Personal Information Protection Commission. [1] [2]

  5. The firm disclosed the case and began notifying customers by mail and letter. [1] [2]

Impact

The card holder name, number, expiry date and security code of 690 customers who paid by card between April 30 and August 25, 2020 may have leaked, and some may have been misused. The firm is monitoring transactions with the card companies and asks customers to check their statements. [1] [2]

Timeline

  1. Started 2020-04-30
  2. Detected 2020-10-02
  3. Disclosed 2020-12-16
  4. 230 days

Attack or cause

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

Data exposed or at risk

[Payment card][Name]

Services hit

Organizations involved

Open in organization search

Sources

  1. [1][News]歯科医専門出版社に不正アクセス、クレジットカード情報流出ScanNetSecurity · 2020-12-18 08:00
  2. [2][News]通販サイトに不正アクセス、クレカ情報流出の可能性 - 歯科関連出版社Security NEXT · 2020-12-18