> JapanHacked_Cybersecurity incidents in Japan

Company

BIPROGY Inc.

BIPROGY Inc. (Koto, Tokyo; Information and communications) appears in 2 related cybersecurity incidents. The latest was disclosed on 2023-11-28.

Profile

Industry/type: Information and communications
Location: Tokyo, Koto
Listing: TSE Prime 8056

Public figures

Employees4,359Non-consolidated2026-04-10
METI: Gビズインフォ

Metric	Value	Scope	As of	Source
Employees	4,359	Non-consolidated	2026-04-10	METI: Gビズインフォ

Incident history

Disclosed 2023-11-28Updated 2023-12-06 08:05Osaka, Tokyo[Contained][Severity: Major][Breached][Major]
Sekisui House: a setting flaw on contractor BIPROGY's cloud development server leaked customer data and put many more at risk
[Misconfiguration][Data leak]Leaked 34.6KOrganizations 2
Disclosed 2022-06-23Updated 2022-12-16 08:05Hyogo, Tokyo[Contained][Severity: Critical][Breached][Critical]
Amagasaki City: a contractor employee lost a USB memory holding the resident register of all citizens, for a benefit program
[Lost device]Organizations 2

		Incident	Role	Impact level				Methods	Impacts		Status
2023-11-28	2023-12-06 08:05	Sekisui House: a setting flaw on contractor BIPROGY's cloud development server leaked customer data and put many more at risk	[Breached]	[Major]	[Major]	2 Sekisui House, Ltd., BIPROGY Inc.	Osaka, Tokyo	[Misconfiguration]	[Data leak]	34,573	[Contained]
2022-06-23	2022-12-16 08:05	Amagasaki City: a contractor employee lost a USB memory holding the resident register of all citizens, for a benefit program	[Breached]	[Critical]	[Critical]	2 Amagasaki City, BIPROGY Inc.	Hyogo, Tokyo	[Lost device]		Unknown	[Contained]