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Mutsumi Group Ransomware Attack

mutsumi-g.co.jpRansomed

QilinGroup

JapanCountry

Oct 4, 2026Discovered

Overview

View group profile

Domain

mutsumi-g.co.jp

Industry

Manufacturing

Country

Japan

Discovered

3 days ago

Attack date

Oct 4, 2026

Confidence

85%

Severity

Medium

Status

Claimed

Threat group

Qilin

Total victims

1,477

First seen

Oct 2025

Last seen

Oct 2026

Group status

active

Sophistication

Impact score

123

Threat level

3.9/10

Aggressiveness10/10

Lethality0/10

Criticality1.3/10

Status breakdown

Data Leaked0.1%2

Claimed

this victim

99.9%1,475

Targeted sectors

Education Energy & Utilities Financial Services Government & Defense Healthcare Hospitality Manufacturing Other Professional Services Retail & E-Commerce Technology Transportation

Victim's position within group

Industry

Manufacturing

Known target sector

Country

Japan

Frequently targeted country

Other victims

View all (1477)

Same group · Qilin

Group activity

Monthly attacks · Qilin

1,477

total · avg 113.6/mo