En cours d’enquête

Nippon Telenet: entrusted and customer personal data may have leaked after ransomware

A cyber-attack disruption began March 9, 2026 (disclosed March 17). The June 12 update reported no detected outbound transfer but still listed category counts that may be at risk.

Dernière mise à jour: 2026-11-09

Ce contenu est affiché en English.

Présentation

Categories: CSS entrusted ~602k, BPO ~404k, sales/partners ~33k, employees 2,044—approximate and not summed (count blank). No card data.

Chronologie

2026-03-09Survenue
2026-03-09Découverte
2026-03-17Divulgation

Réponse de l’organisation

Per the notice, the organisation investigated and contained the incident, notified individuals and offered monitoring or protective resources.

Que faire ?

Be wary of emails, SMS or calls impersonating the organisation; do not open links or attachments or enter passwords or card details. Change reused passwords on other services.

Sources

サイバー攻撃によるシステム障害発生について日本テレネット株式会社 · 2026-11-09
サイバー攻撃によるシステム障害発生について日本テレネット株式会社 · 2026-11-09

Nippon Telenet: entrusted and customer personal data may have leaked after ransomware

Présentation

Chronologie

Réponse de l’organisation

Que faire ?

Sources

Informations associées

Aucune information publiée

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