Overview
No published headcount (blank). Fields: user name, overseas address, email, phone/fax, member ID; corporate admin company/name/dept location/contacts/encrypted login password. No financial data.
Timeline
- Occurred
- Discovered
- 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
- 「OCS FAMILY LINK SERVICE」への不正アクセスに関するお知らせ（第4報）株式会社OCS · 2026-11-09
- 「OCS FAMILY LINK SERVICE」への不正アクセスに関するお知らせ（第3報）株式会社OCS · 2026-11-09
- 「OCS FAMILY LINK SERVICE」への不正アクセスに関するお知らせ（第2報）株式会社OCS · 2026-11-09