> JapanHacked_Cybersecurity incidents in Japan

Company

Daiichi Life Insurance Co., Ltd.

Daiichi Life Insurance Co., Ltd. (Chiyoda, Tokyo; Finance and insurance) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-10-02.

Profile

Industry/type: Finance and insurance
Location: Tokyo, Chiyoda
Website: https://www.dai-ichi-life.co.jp/
Parent: Daiichi Life Group, Inc.since 2016-04-01

Public figures

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Metric	Value		As of	Source
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Incident history

Disclosed 2026-10-02Updated 2026-10-22Tokyo[Investigating][Severity: Critical][Breached][Critical]
Daiichi Life Group: unauthorized access to the HR system
[Intrusion][Data leak]Leaked 120KOrganizations 2

		Incident	Role	Impact level				Methods	Impacts		Status
2026-10-02	2026-10-22	Daiichi Life Group: unauthorized access to the HR system	[Breached]	[Critical]	[Critical]	2 Daiichi Life Group, Inc., Daiichi Life Insurance Co., Ltd.	Tokyo	[Intrusion]	[Data leak]	120,000	[Investigating]