Company

Nomura Investor Relations Co., Ltd.

Nomura Investor Relations Co., Ltd. (Chiyoda, Tokyo; Scientific research, professional and technical services) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-11-04.

Profile

Industry/type

Scientific research, professional and technical services

Location

Tokyo, Chiyoda

Also known as

Nomura IR

Services

Website

https://www.nomura-ir.co.jp/

Public figures

–

Metric	Value	Scope	As of	Source
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Incident history

Disclosed 2026-11-04Updated 2026-11-04 12:13Tokyo[Investigating][Severity: Critical][Breached][Critical]
Nomura IR: Kikan Navi service for institutional investors breached; user names and email addresses may have leaked
[Intrusion][Data leak][Service outage]Organizations 1

		Incident	Role	Impact level				Methods	Impacts		Status
2026-11-04	2026-11-04 12:13	Nomura IR: Kikan Navi service for institutional investors breached; user names and email addresses may have leaked	[Breached]	[Critical]	[Critical]	1 Nomura Investor Relations Co., Ltd.	Tokyo	[Intrusion]	[Data leak][Service outage]	Unknown	[Investigating]