Hiroshima Prefectural Daimon High SchoolTeacher's backpack with student documents

2LowPossibleAnnounced

A teacher lost a backpack near Shin-Yokohama on October 9 holding documents and an iPad with data on 226 students, including health survey forms for 108. A police report was filed; it remains missing.

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
Lost or discarded
Sector
Education & research
Operational impact
None

Data involved

DataStatusCountGroupEvidence
NameLost226 people—Source(opens in a new tab)
Health informationLost108 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.

Sources

  1. 広島県立大門高等学校 公式発表(初報)www.pref.hiroshima.lg.jp · Published 2026-10-09(opens in a new tab)