Confirmed

Ainex: phishing-led mailbox intrusion leaked 373 email addresses

Unauthorized login to an employee mailbox/cloud on June 17, 2026; noticed via suspicious mail on June 24; first notice July 1. Second notice attributes it to phishing impersonating a business partner.

Last updated: 2026-11-09

Overview

Second notice confirms 373 email addresses leaked via the suspicious send (217 staff, 112 partners, 44 Asahi Broadcasting Group). Separately, 46 name/mobile/email values may have been exposed in mail that could have been viewed (not summed). No further leak of ABC-TV contracted work data.

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. メールアカウントおよびクラウドサービスへの不正アクセスに関するお知らせ株式会社アイネックス · 2026-11-09
  2. メールアカウントおよびクラウドサービスへの不正アクセスに関するお詫びとお知らせ(第二報)株式会社アイネックス · 2026-11-09

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