Hokkaido University: unauthorized access to the Faculty of Engineering web server, and 23,554 personal records may have leaked

1. 2023-11-06

   A third party accessed the Faculty of Engineering web server without authorization. The access lasted until November 28. [1]

2. 2023-11-28

   It found that personal data in the database used only by engineering departments may have leaked. It cut off communication from outside the university and investigated, including through outside bodies. [1]

3. 2024-03-01

   It published the investigation results. It now runs a new web server separated from the database. It is notifying affected people by email as it confirms their contact details. [1] [2]

In total 23,554 records may have leaked: 19,570 students enrolled since fiscal 2003, 2,890 staff enrolled since fiscal 2004, 1,090 family members of staff enrolled since fiscal 2021, 1 part-time lecturer hired since October 2023 and 3 people who reserved seminar rooms and similar spaces since January 2023. No misuse has been confirmed. [1]