Company

Aeon Co., Ltd.

Aeon Co., Ltd. (Mihama, Chiba, Chiba; Wholesale and retail trade) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-10-21.

Profile

Industry/type

Wholesale and retail trade

Location

Chiba, Chiba, Mihama

Listing

TSE Prime 8267

Website

https://www.aeon.info/

Group companies

Public figures

Employees559Non-consolidated2026-02-28
METI: Gビズインフォ
Revenue¥91.1BNon-consolidated2026-02-28
METI: Gビズインフォ
Capital¥220BNon-consolidated2026-02-28
METI: Gビズインフォ

Metric	Value		As of	Source
Employees	559	Non-consolidated	2026-02-28	METI: Gビズインフォ
Revenue	¥91.1B	Non-consolidated	2026-02-28	METI: Gビズインフォ
Capital	¥220B	Non-consolidated	2026-02-28	METI: Gビズインフォ

Incident history

Disclosed 2026-10-21Updated 2026-10-23Chiba, Ishikawa[Investigating][Severity: Moderate][Breached][Moderate]
Aeon: unauthorized access to 42 group websites
[Intrusion]Organizations 13

		Incident	Role	Impact level				Methods	Impacts		Status
2026-10-21	2026-10-23	Aeon: unauthorized access to 42 group websites	[Breached]	[Moderate]	[Moderate]	13 Aeon Retail Co., Ltd., Aeon Co., Ltd., MaxValu Hokuriku Co., Ltd.	Chiba, Ishikawa	[Intrusion]		Unknown	[Investigating]