> JapanHacked_Cybersecurity incidents in Japan

Company

Toshiba Tec Corporation

Toshiba Tec Corporation (Shinagawa, Tokyo; Manufacturing) appears in 3 related cybersecurity incidents. The latest was disclosed on 2026-08-03.

Profile

Industry/type: Manufacturing
Location: Tokyo, Shinagawa

Public figures

–

Metric	Value	Scope	As of	Source
–

Incident history

Disclosed 2026-08-03Updated 2026-08-24 08:05Tokyo[Resolved][Severity: Critical][Breached][Critical]
Toshiba Tec: a procedure document wrongly contained an administrator account, so one user company of its cloud system "ShopCraft" could view customer data of 382,123 people of other users
[Misconfiguration][Data leak]Leaked 382.1KOrganizations 1
Disclosed 2024-04-05Updated 2025-04-04 15:38Tokyo[Contained][Severity: Major][Breached][Major]
Toshiba Tec: unauthorized access to a cloud service it uses, and personal data of partners and staff may have been viewed
[Intrusion][Data leak]Organizations 1
Disclosed 2021-05-17Updated 2021-06-16 08:00Tokyo[Investigating][Severity: Major][Breached][Major]
Toshiba Tec: five subsidiaries in four European countries were hit by ransomware at the same time, causing system failures, and data may have been stolen
[Ransomware][Service outage][Extortion]Organizations 1

		Incident	Role	Impact level				Methods	Impacts		Status
2026-08-03	2026-08-24 08:05	Toshiba Tec: a procedure document wrongly contained an administrator account, so one user company of its cloud system "ShopCraft" could view customer data of 382,123 people of other users	[Breached]	[Critical]	[Critical]	1 Toshiba Tec Corporation	Tokyo	[Misconfiguration]	[Data leak]	382,123	[Resolved]
2024-04-05	2025-04-04 15:38	Toshiba Tec: unauthorized access to a cloud service it uses, and personal data of partners and staff may have been viewed	[Breached]	[Major]	[Major]	1 Toshiba Tec Corporation	Tokyo	[Intrusion]	[Data leak]	Unknown	[Contained]
2021-05-17	2021-06-16 08:00	Toshiba Tec: five subsidiaries in four European countries were hit by ransomware at the same time, causing system failures, and data may have been stolen	[Breached]	[Major]	[Major]	1 Toshiba Tec Corporation	Tokyo	[Ransomware]	[Service outage][Extortion]	Unknown	[Investigating]