> JapanHacked_Cybersecurity incidents in Japan

Company

Nikken Gakuin Co., Ltd.

Nikken Gakuin Co., Ltd. (Toshima, Tokyo; Education and learning support) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-10-16.

Profile

Industry/type: Education and learning support
Location: Tokyo, Toshima
Website: https://nik-g.com/

Public figures

–

Metric	Value	Scope	As of	Source
–

Incident history

Disclosed 2026-10-16Updated 2026-10-16 02:50Tokyo[Investigating][Severity: Major][Breached][Major]
Nikken Gakuin: break-in at the system for a condominium manager course; personal data of 3,597 trainees may have leaked
[Intrusion][Data leak]Leaked 3.6KOrganizations 2

		Incident	Role	Impact level				Methods	Impacts		Status
2026-10-16	2026-10-16 02:50	Nikken Gakuin: break-in at the system for a condominium manager course; personal data of 3,597 trainees may have leaked	[Breached]	[Major]	[Major]	2 Condominium Management Center, Nikken Gakuin Co., Ltd.	Tokyo	[Intrusion]	[Data leak]	3,597	[Investigating]