> JapanHacked_
[Resolved][Severity: Moderate][Insider][Lost device]

Tokyo Metropolitan Government: a teacher at a metropolitan high school copied entrance exam data to SD cards without permission, leaving data on 4,697 applicants unaccounted for

A senior teacher at Saginomiya High School copied selection data from the current and former schools without permission. It includes names, junior high schools and scores.

Disclosed

2020-11-19

Organizations involved

1

Leaked or at risk

4.7K

4,697

Downtime

Unknown

What happened

  1. It was found that SD cards holding copied entrance exam data could not be found at a metropolitan high school. [1]

  2. The metropolitan government announced the case. [1]

Impact

A senior teacher at Saginomiya High School copied selection data to SD cards without permission. It covers 2,473 applicants from fiscal 2016 to 2020 at the current school and 2,224 from fiscal 2014 to 2017 at the former school, Hino High School, 4,697 people in total, with names, genders, junior high schools and scores. [1]

Timeline

  1. Detected 2020-10-25
  2. Disclosed 2020-11-19
  3. 25 days

Attack or cause

Method
[Insider][Lost device]
Impact
[Data leak]
Entry point
Unknown

Data exposed or at risk

[Name][Gender][Education]

Organizations involved

Open in organization search

Sources

  1. [1][News]教諭が入試応募者データを紛失、無断で設定変更して複製 - 東京都Security NEXT · 2020-11-20