Confirmé

Seibu Railway: misconfiguration on “52 Seats of Bliss” booking site left reservation data externally readable

On the contractor-run “52 Seats of Bliss” booking site, encoded post-booking contact notes were externally decodable from Jan 9, 2025 to Aug 27, 2026; disclosed Sep 2.

Dernière mise à jour: 2026-11-09

Ce contenu est affiché en English.

Présentation

“About 500 people” → blank.

Chronologie

2025-01-09Survenue
2026-08-27Découverte
2026-09-02Divulgation

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

【お詫び】西武旅するレストラン「52席の至福」における予約関連情報の一部漏えいについて西武鉄道株式会社 · 2026-11-09

Informations associées

Partager une information

Aucune information publiée

Les informations apparaîtront après vérification ou modération.