Company

TechnoHill Co., Ltd.

TechnoHill Co., Ltd. (Chuo, Tokyo; Scientific research, professional and technical services) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-10-22.

Profile

Industry/type

Scientific research, professional and technical services

Location

Tokyo, Chuo

Services

1FEdu

Public figures

–

Metric	Value	Scope	As of	Source
–

Incident history

Disclosed 2026-10-22Updated 2026-10-22 02:18Tokyo[Investigating][Severity: Major][Breached][Major]
TechnoHill: cyberattack on 1FEdu, a radiation exposure training site run for the health ministry, leaked 6 learners' passwords and led to unauthorized logins
[Intrusion][Data leak][Service outage]Leaked 595Organizations 2

		Incident	Role	Impact level				Methods	Impacts		Status
2026-10-22	2026-10-22 02:18	TechnoHill: cyberattack on 1FEdu, a radiation exposure training site run for the health ministry, leaked 6 learners' passwords and led to unauthorized logins	[Breached]	[Major]	[Major]	2 Ministry of Health, Labour and Welfare, TechnoHill Co., Ltd.	Tokyo	[Intrusion]	[Data leak][Service outage]	595	[Investigating]