Investigating

2rinkan reports possible personal-data leak at roadside-service contractor

Unauthorised access at Prestige Core Solution may have exposed some roadside-assistance customers’ personal information. The count and precise fields remain under investigation.

Last updated: 2026-11-09

Overview

The notice concerns roadside assistance for 2rinkan JACCS card members and 2rinkan roadside-service customers. The company received the vendor report on October 30; that is not substituted for the intrusion or vendor-discovery date. This event is not merged or counted with the separate app and Blastmail incidents.

Timeline

  1. Occurred
  2. Discovered
  3. Disclosed
  4. Vendor report of unauthorised access received.

  5. Possible exposure publicly disclosed.

Organization response

The company awaited the vendor’s investigation, prepared individual notices and phishing warnings, and provided a dedicated contact channel.

What you can do

Check notices through the organisation’s genuine contact channels. Do not enter credentials or payment details through links in unexpected messages.

Sources

  1. ロードサービス委託先への不正アクセスと漏えい可能性2りんかんイエローハット · 2026-11-09

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