Company

Naito Securities Co., Ltd.

Naito Securities Co., Ltd. (Kita, Osaka, Osaka; Finance and insurance) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-10-15.

Profile

Industry/type

Finance and insurance

Location

Osaka, Osaka, Kita

Services

Financial Plate/WB4

Website

https://www.naito-sec.co.jp/

Public figures

–

Metric	Value		As of	Source
–

Incident history

Disclosed 2026-10-15Updated 2026-10-22Osaka, Tokyo[Investigating][Severity: Critical][Through a supplier][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	[Through a supplier]	[Critical]	[Critical]	2 Daiwa Institute of Research Ltd., Naito Securities Co., Ltd.	Osaka, Tokyo	[Intrusion]	[Data leak]	631	[Investigating]