> JapanHacked_Cybersecurity incidents in Japan

Banking and investing

Porsche Insurance

Porsche Insurance (run by Porsche Financial Services Japan K.K.) was hit in 1 recorded cybersecurity incident. The latest was disclosed on 2026-11-02.

About the service

Website

https://www.porsche.com/japan/jp/accessoriesandservice/porschefinancialservices/insurance/

Run by

Porsche Financial Services Japan K.K.

Category

Banking and investing

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People

Incident history

Disclosed 2026-11-02Updated 2026-11-05Chiba, Tokyo[Investigating][Severity: Critical][Through a supplier][Moderate]
Prestige Core Solution: up to about 5.5 million roadside assistance and other records stolen
[Intrusion][Data leak][Service outage]Leaked 5.5MOrganizations 9

		Incident	Role	Impact level				Methods	Impacts		Status
2026-11-02	2026-11-05	Prestige Core Solution: up to about 5.5 million roadside assistance and other records stolen	[Through a supplier]	[Moderate]	[Critical]	9 Nissan Financial Services Co., Ltd., Prestige Core Solution Inc., Sompo Japan Insurance Inc., ENEOS Corporation, National Mutual Insurance Federation of Agricultural Cooperatives, AXA General Insurance Company, Limited, Porsche Financial Services Japan K.K., Porsche Japan K.K., Sony Assurance Inc.	Chiba, Tokyo	[Intrusion]	[Data leak][Service outage]	5,500,000	[Investigating]