Citizen WatchInquiry management
3MediumPossibleAnnounced Updated
Names, addresses, emails and inquiry text of about 100,000 people may have leaked from a contractor server. Card or account data is affected only where users typed it into an inquiry.
This incident was imported from a dataset that compiles public announcements, and we are still checking it against the sources. Counts and causes will be updated after the check. Sources are in Japanese.
- Cause
- Via a vendor or service
- Occurred
- 2026-10-02 – 2026-10-03
- Sector
- Manufacturing
- Operational impact
- None
Data involved
| Data | Status | Count | Group | Evidence |
|---|---|---|---|---|
| Email address | Possible leak | Not disclosed | — | Source(opens in a new tab) |
| Payment details | Possible leak | Not disclosed | — | Source(opens in a new tab) |
| Name | Possible leak | about 100,000 people | — | Source(opens in a new tab) |
| Postal address | Possible leak | about 100,000 people | — | Source(opens in a new tab) |
| Phone number | Possible leak | about 100,000 people | — | Source(opens in a new tab) |
Counts are the figures the organization announced. Because the same person may be counted more than once, we do not add the rows together.
What users should do
- Check your card statements
- Watch for emails and texts pretending to be the company
General steps based on the type of data involved. Check the organization’s notice or help line to see whether you are affected.
Sources
- シチズン時計：委託先事業者への不正アクセスによる情報漏えいの可能性www.citizen.co.jp · Published 2026-10-06(opens in a new tab)
- スカラコミュニケーションズ：FAQシステムi-askへの不正アクセスscala-com.jp · Published 2026-10-06(opens in a new tab)
- 外部委託先への不正アクセスによるお客様情報の漏洩の可能性についてssl4.eir-parts.net · Published 2026-10-05(opens in a new tab)
- 当社事業者向けサービスで使用する外部委託先システムへの不正アクセスによるお客さま情報漏えいの可能性についてwww.sompo-japan.co.jp · Published 2026-10-07(opens in a new tab)