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Government

Katsushika City

Katsushika City (Katsushika, Tokyo; Municipality) appears in 2 related cybersecurity incidents. The latest was disclosed on 2021-08-20.

Profile

Industry/type: Municipality
Location: Tokyo, Katsushika

Public figures

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Metric	Value	Scope	As of	Source
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Incident history

Disclosed 2021-08-20Updated 2021-10-29 08:05Chiba, Gunma, Okayama, Saitama, Shiga, Tokyo[Investigating][Severity: Major][Through a supplier][Moderate]
Oriental Consultants group: ransomware hit several servers, encrypting much of its business data, which may have leaked; data entrusted by Ichikawa City and Saitama Prefecture was also stored there
[Ransomware][Data leak][Service outage]Organizations 10
Disclosed 2021-03-12Updated 2021-03-12 08:18Tokyo[Resolved][Severity: Moderate][Breached][Moderate]
Katsushika Ward: an old mail account unused for over ten years was taken over and used to send unwanted email to 827 unspecified addresses abroad
[Credential abuse]Organizations 1

		Incident	Role	Impact level				Methods	Impacts		Status
2021-08-20	2021-10-29 08:05	Oriental Consultants group: ransomware hit several servers, encrypting much of its business data, which may have leaked; data entrusted by Ichikawa City and Saitama Prefecture was also stored there	[Through a supplier]	[Moderate]	[Major]	10 Oriental Consultants Global Co., Ltd., Gunma Prefecture, Kurashiki City, Oriental Consultants Co., Ltd., Tokyo Metropolitan Government, Saitama Prefecture, Shiga Prefecture, Ichikawa City, Ichihara City, Katsushika City	Chiba, Gunma, Okayama, Saitama, Shiga, Tokyo	[Ransomware]	[Data leak][Service outage]	Unknown	[Investigating]
2021-03-12	2021-03-12 08:18	Katsushika Ward: an old mail account unused for over ten years was taken over and used to send unwanted email to 827 unspecified addresses abroad	[Breached]	[Moderate]	[Moderate]	1 Katsushika City	Tokyo	[Credential abuse]		Unknown	[Resolved]