Company

Plenus Co., Ltd.

Plenus Co., Ltd. (Hakata, Fukuoka, Fukuoka; Accommodation, food and drink) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-11-04.

Profile

Industry/type

Accommodation, food and drink

Location

Fukuoka, Fukuoka, Hakata

Services

Hotto Motto email newsletter

Website

https://www.plenus.co.jp/

Public figures

–

Metric	Value	Scope	As of	Source
–

Incident history

Disclosed 2026-11-04Updated 2026-11-04Fukuoka[Investigating][Severity: Critical][Through a supplier][Critical]
Plenus: Hotto Motto mailing supplier leak affects up to about 7 million records
[Intrusion][Data leak][Service outage]Leaked 7MOrganizations 1

		Incident	Role	Impact level				Methods	Impacts		Status
2026-11-04	2026-11-04	Plenus: Hotto Motto mailing supplier leak affects up to about 7 million records	[Through a supplier]	[Critical]	[Critical]	1 Plenus Co., Ltd.	Fukuoka	[Intrusion]	[Data leak][Service outage]	7,000,000	[Investigating]