Company

Z-kai Inc.

Z-kai Inc. (Mishima, Shizuoka; Education and learning support) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-10-19.

Profile

Industry/type

Education and learning support

Location

Shizuoka, Mishima

Services

Website

https://www.zkai.co.jp/

Metric	Value		As of	Source
Employees	854		2026-07-24	METI: Gビズインフォ

		Incident	Role	Impact level				Methods	Impacts		Status
2026-10-19	2026-10-22	Z-kai: unauthorized logins to the Z-ID system	[Breached]	[Major]	[Major]	1 Z-kai Inc.	Shizuoka	[Web app exploit]	[Data leak]	13	[Contained]