Overview
Forensics found no concrete exfiltration and judged theft unlikely, but CAC treated it as a legally reportable “possible leak” to the PPC. Possible fields: applicant names, emails, gender, birth dates, affiliations and application inputs. No count published (count blank).
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
- 「Academic Support Navi」への不正アクセスに関する調査状況のご報告（第2報）株式会社シーエーシー · 2026-11-09
- 「Academic Support Navi」サービスの一時停止に関するお知らせ株式会社シーエーシー · 2026-11-09
- 「Academic Support Navi」への不正アクセスに関する調査結果のご報告（第3報）株式会社シーエーシー · 2026-11-09