> JapanHacked_Cybersecurity incidents in Japan

Company

AIG General Insurance Company, Ltd.

AIG General Insurance Company, Ltd. (Minato, Tokyo; Finance and insurance) appears in 1 related cybersecurity incident. The latest was disclosed on 2024-10-07.

Profile

Industry/type: Finance and insurance
Location: Tokyo, Minato
Website: https://www.aig.co.jp/sonpo

Public figures

Employees6,7972026-01-15
METI: Gビズインフォ

Metric	Value		As of	Source
Employees	6,797		2026-01-15	METI: Gビズインフォ

Incident history

Disclosed 2024-10-07Updated 2026-10-23Tokyo[Contained][Severity: Critical][Through a supplier][Major]
Tokyo Sonpo Kantei: ransomware puts customer data of several insurers at risk
[Ransomware][Credential abuse][Data leak][Extortion]Leaked 120KOrganizations 6

		Incident	Role	Impact level				Methods	Impacts		Status
2024-10-07	2026-10-23	Tokyo Sonpo Kantei: ransomware puts customer data of several insurers at risk	[Through a supplier]	[Major]	[Critical]	6 Mitsui Sumitomo Insurance Company, Limited, Tokyo Sonpo Kantei Inc., AIG General Insurance Company, Ltd., Sompo Japan Insurance Inc., Tokio Marine & Nichido Fire Insurance Co., Ltd., Nisshin Fire & Marine Insurance Co., Ltd.	Tokyo	[Ransomware][Credential abuse]	[Data leak][Extortion]	120,000	[Contained]