Osaka Municipal Elementary SchoolGrowth curve documents

1MinorNo leakAnnounced Updated

Documents with names, birthdates, and height and weight growth curves of 18 pupils in one class were handed to the wrong children. All were retrieved.

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
2026-09-07
Sector
Education & research
Operational impact
None

Data involved

DataStatusCountGroupEvidence
NameNo leak found18 people—Source(opens in a new tab)
Date of birthNo leak found18 people—Source(opens in a new tab)
Health informationNo leak found18 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. 大阪市立小学校における個人情報を含む文書の誤配付についてwww.city.osaka.lg.jp · Published 2026-09-09(opens in a new tab)
  2. 大阪市における個人情報に係る事務処理誤り等の状況について(令和8年10月一括公表分)www.city.osaka.lg.jp · Published 2026-10-09(opens in a new tab)