Banking and investing

au Life Insurance

au Life Insurance (run by KDDI Corporation and Lifenet Insurance Company) was hit in 1 recorded cybersecurity incident. The latest was disclosed on 2026-10-30.

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https://www.au.com/finance/life-insurance/

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Incident history

Disclosed 2026-10-30Updated 2026-10-30 19:55Tokyo[Investigating][Severity: Major][Breached][Major]
Lifenet and KDDI: au Life Insurance link system intrusion
[Web app exploit][Data leak][Service outage]Leaked 22.5KOrganizations 2

		Incident	Role	Impact level				Methods	Impacts		Status
2026-10-30	2026-10-30 19:55	Lifenet and KDDI: au Life Insurance link system intrusion	[Breached]	[Major]	[Major]	2 KDDI Corporation, Lifenet Insurance Company	Tokyo	[Web app exploit]	[Data leak][Service outage]	22,541	[Investigating]

Other incidents of the operator (1)

Disclosed 2026-06-23Updated 2026-07-06Aichi, Kagawa, Tokyo[Contained][Severity: Critical]
KDDI: unauthorized access to its mail system for ISPs
[Intrusion][Data leak]Leaked 12.2MOrganizations 7

		Incident				Methods	Impacts		Status
2026-06-23	2026-07-06	KDDI: unauthorized access to its mail system for ISPs	[Critical]	7 JCOM Co., Ltd., KDDI Corporation, BIGLOBE Inc., Chubu Telecommunications Co., Inc., KDDI Web Communications Inc., NIFTY Corporation, STNet, Incorporated	Aichi, Kagawa, Tokyo	[Intrusion]	[Data leak]	12,231,954	[Contained]