Company

ARSOCIA CONSTRUCTION CO., LTD.

ARSOCIA CONSTRUCTION CO., LTD. (Chuo, Tokyo; Construction) appears in 1 related cybersecurity incident. The latest was disclosed on 2021-01-25.

Profile

Industry/type

Construction

Location

Tokyo, Chuo

Former names

Website

https://www.arsocia.co.jp/

Metric	Value	Scope	As of	Source
Employees	2,846	Non-consolidated	2026-10-22	METI: Gビズインフォ

		Incident	Role	Impact level				Methods	Impacts		Status
2021-01-25	2021-01-27 08:00	Sumitomo Mitsui Construction: a flaw in a contractor's external backup server let a third party view site data, some of it holding contacts' names and mail addresses	[Through a supplier]	[Major]	[Major]	1 ARSOCIA CONSTRUCTION CO., LTD.	Tokyo	[Misconfiguration]	[Data leak]	Unknown	[Resolved]