Education

Information Security Comprehension Check

Information Security Comprehension Check (run by Japan Network Security Association) was hit in 1 recorded cybersecurity incident. The latest was disclosed on 2026-11-06.

About the service

Website

https://slb.jnsa.org/eslb/

Run by

Japan Network Security Association

Category

Education

For

Businesses

Incident history

Disclosed 2026-11-06Updated 2026-11-06Tokyo[Investigating][Severity: Critical][Breached][Critical]
JNSA: unauthorized access to its security comprehension check service puts up to 15,128 user records at risk
[Intrusion][Data leak][Service outage]Leaked 15.1KOrganizations 1

		Incident	Role	Impact level				Methods	Impacts		Status
2026-11-06	2026-11-06	JNSA: unauthorized access to its security comprehension check service puts up to 15,128 user records at risk	[Breached]	[Critical]	[Critical]	1 Japan Network Security Association	Tokyo	[Intrusion]	[Data leak][Service outage]	15,128	[Investigating]