Confirmed

FANCL and Attenir: e-commerce member data leaked (368,184 and 417,312 people respectively)

An October 15 internal review found the FANCL and Attenir e-commerce sites were accessed without authorisation October 3-10 and some member data leaked.

Last updated: 2026-11-09

Overview

FANCL: 393,785 records / 368,184 people; Attenir: 441,162 records / 417,312 people. Overlap between the two is not stated, so no total is stored (count blank). Emails, names, addresses, phones, birth dates, gender, customer numbers, sub-emails with hashed passwords and security questions. No payment 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. 第三者による不正アクセスに伴う個人情報漏えいに関するお詫びとお知らせ株式会社ファンケル・株式会社アテニア · 2026-11-09

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