Confirmed

Ibaraki SME Global: 297 support-company emails leaked via CC blast

On June 16, 2026 a contracted coordinator CC’d 297 support companies instead of BCC; disclosed June 24.

Last updated: 2026-11-09

Overview

297 addresses.

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. 企業へのメール誤送信によるメールアドレスの漏えいについて公益財団法人いばらき中小企業グローバル推進機構 · 2026-11-09

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