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Investigating

Aena: EC-app intrusion may have exposed mypage data for up to 817,215 members

Disclosed Oct 14, 2026. Log analysis at 05:58 Oct 13 found illicit mypage viewing. Up to 817,215 app members (not LINE/Amazon/Rakuten-only) may have had name/address/phone/email/DOB/sex/occupation/shipping and card last-4/expiry/name viewed. Full card numbers, passwords and purchase actions not leaked/not performed.

Last updated: 2026-11-09

Overview

“Up to 817,215” → blank.

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. 外部からの不正アクセスによるお客様情報流出の可能性について株式会社アエナ · 2026-11-09

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