Investigating

Bandai Namco Experience: Wangan arcade portal (Commune) may have exposed 1,694 members’ data

Commune platform intrusion (vendor-operated) may have exposed email, nickname, account name, bio, profile, groups, points and last-active time for 1,694 Wangan Midnight Arcade Portal members. Disclosed Oct 9, 2026 (updated Oct 14).

Last updated: 2026-11-09

Overview

1,694 people.

Timeline

  1. Occurred
  2. Discovered
  3. Disclosed

Organization response

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

What you can do

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

  1. 『湾岸ミッドナイト アーケードポータル』への不正アクセスによる会員情報漏洩の可能性に関するお詫びと臨時メンテナンス継続のお知らせ株式会社バンダイナムコエクスペリエンス · 2026-11-09

Related information

commune-platform-member-data-leak-2026

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