> JapanHacked_Cybersecurity incidents in Japan

Company

Heisei Enterprise Co., Ltd.

Heisei Enterprise Co., Ltd. (Shiki, Saitama; Transport and postal services) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-11-04.

Profile

Industry/type: Transport and postal services
Location: Saitama, Shiki

Public figures

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Metric	Value	Scope	As of	Source
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Incident history

Disclosed 2026-11-04Updated 2026-11-04 13:48Saitama[Contained][Severity: Critical][Breached][Critical]
Heisei Enterprise: highway bus booking site tampered with; 15,493 records including 6,949 card numbers may have leaked
[Intrusion][Data leak]Leaked 15.5KOrganizations 1

		Incident	Role	Impact level				Methods	Impacts		Status
2026-11-04	2026-11-04 13:48	Heisei Enterprise: highway bus booking site tampered with; 15,493 records including 6,949 card numbers may have leaked	[Breached]	[Critical]	[Critical]	1 Heisei Enterprise Co., Ltd.	Saitama	[Intrusion]	[Data leak]	15,493	[Contained]