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

Nippon Trex: unauthorized access to its information systems halted internet ordering and other services; no data leak was found

Unauthorized access on September 8 halted Nippon Trex's internet ordering, parts ordering system and email; they were restored by September 30 and no leak was found.

Disclosed

2026-09-08

Organizations involved

1

Leaked or at risk

Unknown

Downtime

Unknown

What happened

  1. It confirmed unauthorized access to its information systems by a third party. Its parent Kyokuto Kaihatsu Kogyo announced the same day that a system failure at Nippon Trex had halted internet ordering. [1] [2]

  2. Nippon Trex announced the unauthorized access. Halted were internet ordering, the parts ordering system for designated partners (orders by fax remained possible) and email with customers and partners. Business continued by other means, and no outside leak of personal or customer data was found. [2] [4]

  3. With outside specialists it finished checking the safety of the systems and drawing up prevention measures, and resumed the halted services. The investigation found no outside leak of personal or customer data. [3]

Timeline

  1. Started, Detected, Disclosed 2026-09-08
  2. 1 days

Attack or cause

Method
[Intrusion]
Impact
[Service outage]
Entry point
Unknown

Data exposed or at risk

–

Organizations involved

  • [Breached][Moderate]Aichi, ToyokawaManufacturing

    Nippon Trex Co., Ltd.

    Its information systems were accessed without authorization, which stopped ordering and the parts ordering system. No outside leak of personal or customer data was found.

Open in organization search

Sources

  1. [1][Official]当社グループ会社である日本トレクスにおけるシステム障害発生についてKyokuto Kaihatsu Kogyo Co., Ltd. · 2026-09-08
  2. [2][Official]弊社情報システムへの不正アクセスによる情報流出の可能性に関するお詫びとお知らせNippon Trex Co., Ltd. · 2026-09-11
  3. [3][Official]情報システムへの不正アクセスに関するお詫びと復旧のお知らせNippon Trex Co., Ltd. · 2026-09-30
  4. [4][News]極東開発工業子会社の日本トレクス、不正アクセスによるシステム障害を発表ScanNetSecurity · 2026-09-25 08:05