Company

Joshin Corporation

Joshin Corporation (Naniwa, Osaka, Osaka; Wholesale and retail trade) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-10-17.

Profile

Industry/type

Wholesale and retail trade

Location

Osaka, Osaka, Naniwa

Also known as

Joshin

Services

Joshin subscription

Listing

TSE Prime 8173

Website

https://www.joshin.co.jp/

Public figures

Employees3,747Non-consolidated2026-03-31
Nikkei: 【上新電機】[8173]企業概要
Revenue¥435.7BNon-consolidated2026-03-31
METI: Gビズインフォ
Capital¥15.1BNon-consolidated2026-03-31
METI: Gビズインフォ

Metric	Value		As of	Source
Employees	3,747	Non-consolidated	2026-03-31	Nikkei: 【上新電機】[8173]企業概要
Revenue	¥435.7B	Non-consolidated	2026-03-31	METI: Gビズインフォ
Capital	¥15.1B	Non-consolidated	2026-03-31	METI: Gビズインフォ

Incident history

Disclosed 2026-10-17Updated 2026-10-27 08:40Osaka[Investigating][Severity: Critical][Breached][Critical]
Joshin: unauthorized access
[Intrusion][Data leak][Service outage]Leaked 6MOrganizations 1

		Incident	Role	Impact level				Methods	Impacts		Status
2026-10-17	2026-10-27 08:40	Joshin: unauthorized access	[Breached]	[Critical]	[Critical]	1 Joshin Corporation	Osaka	[Intrusion]	[Data leak][Service outage]	6,000,000	[Investigating]