Kouhou Shien

Japan-based services

Aliases / services: 広報しえん / 株式会社広報しえん / 有限会社広報しえん / にいがた就職応援団ナビ / にいがた就職応援団ナビキャリア / にいがた就職応援団CAREER / Kouhou Shien
Official website: https://www.4en.co.jp/

Each response applies only to its stated service scope. “Not listed” does not mean unpatched or unaffected.

Response status by service

Listed services and systems

Response status: Public web servers patched
Response information checked: 2026-10-27 Rechecked: 2026-10-27

Kouhou Shien operates Niigata employment-information websites.

For its corporate site, Niigata Shushoku Oendan Navi and the career service, all externally accessible web servers were updated to fixed PHP releases on 22 October. No signs of compromise were identified in the checked scope; monitoring continues.

What users should do

Use the three websites and contact Kouhou Shien if problems occur.

Official service URL

https://www.4en.co.jp/

Source URLs

PHP2Shell response and scopehttps://www.4en.co.jp/8937/Response evidence
Operating entityhttps://www.4en.co.jp/about4en/Service and operation documentation

Related official sources

PHP2Shell response and scopeOfficial notice
Operating entityOfficial information directory