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[Investigating][Severity: Critical][Unknown]

Kochi Broadcasting: RKC app point fraud causes losses of up to over ¥980,000

Fraudulent registrations, point collection and e-money exchanges occurred at its app provider. No unauthorized personal-data access or leak has been found.

Disclosed

2026-11-04 18:54

Organizations involved

1

Leaked or at risk

Unknown

Downtime

Unknown

What happened

An unusual rise in registrations was detected on 2 November. Fraudulent registrations, point collection and e-money exchanges occurred on 1–2 November in the provider-hosted point system. Losses are described as up to over ¥980,000, without an exact figure. No personal-data access or leak has been found. The provider and technique are unnamed; a link to the separate October app-platform breach is not established. [1]

Response

E-money exchanges are suspended while the provider investigates and implements prevention measures. The broadcaster is preparing a police complaint. [1]

Timeline

  1. Started 2026-11-01
  2. Detected 2026-11-02
  3. Disclosed 2026-11-04
  4. 3 days

Attack or cause

Method
[Unknown]
Impact
[Fraud][Financial loss][Service outage]
Entry point
Unknown

Data exposed or at risk

–

Supply chain

Organizations listed on this site
1

Services hit

Organizations involved

Sources

  1. [1][Official]《個人情報の漏えいはなし》RKCアプリ 不正アクセス被害【高知】Kochi Broadcasting · 2026-11-04 18:54