大阪市立小学校（成長・肥満度曲線）Data breach / unauthorized access incident
- Occurred on
- September 7, 2026
- Announced on
- September 9, 2026
- Severity
- SCompromise of deep personal data or usable credentials.
- Scale
- 18 people
- Main impact
- A document containing names, dates of birth, growth curves, etc. for 18 students in one class was misdistributed, but all copies have been collected.
- Information involved
- Full nameDate of birth
- Cause / key point
- Insufficient compilation of the 鑑文 and documents containing personal information and inadequate sharing among faculty and staff (city's estimate).
- Industry
- Education
- Listing / capital
- Government / public body
大阪市立小学校
- Last updated
- October 20, 2026
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Attack method classification: Under investigation / not stated(Cause not disclosed)
Read the Under investigation / not stated guide and national trends →