> JapanHacked_
[Investigating][Severity: Moderate][Intrusion]

Yamada Denki: unauthorized access to the Yamada Video and Smartphone Gold membership procedure pages

On October 23 Yamada Denki said it had found unauthorized access from outside on the procedure pages of Yamada Video and Smartphone Gold membership. Both services have been suspended since about 16:13 on October 22. Whether personal data was affected is still being investigated; the company will report its findings and a restart date later.

Disclosed

2026-10-23

Organizations involved

1

Leaked or at risk

Unknown

Downtime

Unknown

Timeline

  1. Disclosed 2026-10-23
  2. 1 days

Attack or cause

Method
[Intrusion]
Impact
[Service outage]
Entry point
Web app

Data exposed or at risk

–

Services hit

Organizations involved

Open in organization search

Sources

  1. [1][Official]外部からの不正アクセスに伴う一部サービスの停止についてYamada Denki · 2026-10-23