> JapanHacked_Cybersecurity incidents in Japan

Banking and investing

Internet trading system ASP service

Internet trading system ASP service (run by Trade Works Co., Ltd.) was hit in 1 recorded cybersecurity incident. The latest was disclosed on 2021-04-30.

About the service

Run by: Trade Works Co., Ltd.
Category: Banking and investing
For: Businesses

Incident history

Disclosed 2021-04-30Updated 2021-06-11 09:37Tokyo[Resolved][Severity: Critical][Breached][Critical]
Tradeworks: the server of one financial institution using its hosted internet trading service was accessed without authorization
[Intrusion]Organizations 1

		Incident	Role	Impact level				Methods	Impacts		Status
2021-04-30	2021-06-11 09:37	Tradeworks: the server of one financial institution using its hosted internet trading service was accessed without authorization	[Breached]	[Critical]	[Critical]	1 Trade Works Co., Ltd.	Tokyo	[Intrusion]		Unknown	[Resolved]

Other incidents of the operator (1)

Disclosed 2026-10-16Updated 2026-10-24 03:56Osaka, Tokyo[Contained][Severity: Critical]
Trade Works: unauthorized access leaks IwaiCosmo Securities customer data and places orders
[Intrusion][Misconfiguration][Data leak][Fraud][Financial loss]Leaked 5KOrganizations 2

		Incident				Methods	Impacts		Status
2026-10-16	2026-10-24 03:56	Trade Works: unauthorized access leaks IwaiCosmo Securities customer data and places orders	[Critical]	2 IwaiCosmo Securities Co., Ltd., Trade Works Co., Ltd.	Osaka, Tokyo	[Intrusion][Misconfiguration]	[Data leak][Fraud][Financial loss]	4,975	[Contained]