Yamagata PrefectureSkill test certificates
2LowConfirmedAnnounced
Skill test certificates were mistakenly sent to another supervising body, leaking data on 7 trainees. One more certificate was retrieved before arrival.
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
- Sent to the wrong person
- Occurred
- 2026-10-07
- Sector
- Public sector
- Operational impact
- None
Data involved
| Data | Status | Count | Group | Evidence |
|---|---|---|---|---|
| Name | Leak confirmed | 7 people | — | Source(opens in a new tab) |
| Date of birth | Leak confirmed | 7 people | — | Source(opens in a new tab) |
| User or member ID | Leak confirmed | 7 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
- 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.