> JapanHacked_Cybersecurity incidents in Japan

Company

Tokio Marine X SAST Insurance Co., Ltd.

Tokio Marine X SAST Insurance Co., Ltd. (Chuo, Tokyo; Finance and insurance) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-10-23.

Profile

Industry/type: Finance and insurance
Location: Tokyo, Chuo
Also known as: Tokio Marine X
Website: https://www.tokiomarine-x.co.jp/
Parent: Tokio Marine & Nichido Fire Insurance Co., Ltd.since 2022-02-01

Public figures

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Metric	Value		As of	Source
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Incident history

Disclosed 2026-10-23Updated 2026-10-25 00:41Tokyo[Investigating][Severity: Critical][Breached][Critical]
Tokio Marine X: possible unauthorized access to the contract management system
[Intrusion][Service outage]Organizations 1

		Incident	Role	Impact level				Methods	Impacts		Status
2026-10-23	2026-10-25 00:41	Tokio Marine X: possible unauthorized access to the contract management system	[Breached]	[Critical]	[Critical]	1 Tokio Marine X SAST Insurance Co., Ltd.	Tokyo	[Intrusion]	[Service outage]	Unknown	[Investigating]