> JapanHacked_Cybersecurity incidents in Japan

Company

Metropolitan Expressway Co., Ltd.

Metropolitan Expressway Co., Ltd. (Chiyoda, Tokyo; Transport and postal services) appears in 1 related cybersecurity incident. The latest was disclosed on 2023-10-04.

Profile

Industry/type: Transport and postal services
Location: Tokyo, Chiyoda
Website: https://www.shutoko.co.jp/

Public figures

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Metric	Value	Scope	As of	Source
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Incident history

Disclosed 2023-10-04Updated 2023-10-16 08:05Aichi, Hyogo, Osaka, Tokyo[Contained][Severity: Major][Breached][Major]
ETC Usage Inquiry Service: mass access from overseas IP addresses, and some accounts were logged in without authorization
[Credential abuse][Data leak]Organizations 6

		Incident	Role	Impact level				Methods	Impacts		Status
2023-10-04	2023-10-16 08:05	ETC Usage Inquiry Service: mass access from overseas IP addresses, and some accounts were logged in without authorization	[Breached]	[Major]	[Major]	6 Central Nippon Expressway Company Limited, East Nippon Expressway Company, Limited, Hanshin Expressway Company Limited, Honshu-Shikoku Bridge Expressway Company Limited, Metropolitan Expressway Co., Ltd., West Nippon Expressway Company Limited	Aichi, Hyogo, Osaka, Tokyo	[Credential abuse]	[Data leak]	Unknown	[Contained]