> JapanHacked_Cybersecurity incidents in Japan

Company

Daiwa Institute of Research Ltd.

Daiwa Institute of Research Ltd. (Koto, Tokyo; Information and communications) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-10-15.

Profile

Industry/type: Information and communications
Location: Tokyo, Koto
Website: https://www.dir.co.jp/

Public figures

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Metric	Value		As of	Source
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Incident history

Disclosed 2026-10-15Updated 2026-10-22Osaka, Tokyo[Investigating][Severity: Critical][Breached][Critical]
Daiwa Institute of Research: unauthorized access to Naito Securities' online trading system
[Intrusion][Data leak]Leaked 631Organizations 2

		Incident	Role	Impact level				Methods	Impacts		Status
2026-10-15	2026-10-22	Daiwa Institute of Research: unauthorized access to Naito Securities' online trading system	[Breached]	[Critical]	[Critical]	2 Daiwa Institute of Research Ltd., Naito Securities Co., Ltd.	Osaka, Tokyo	[Intrusion]	[Data leak]	631	[Investigating]