Confirmed

Kawagoe Chamber of Commerce: 4,363 member records mis-emailed externally

On June 8, 2026 staff emailed a 4,363-row member file with personal data to two external recipients; deletion confirmed June 9; disclosed June 12.

Last updated: 2026-11-09

Overview

4,363 records (name, DOB, business name, phone, address, email, bank details).

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. 【お詫び】会員情報の漏えいについて川越商工会議所 · 2026-11-09

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