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Sarku Japan Ransomware Attack

sarkujapan.comRansomed

thegentlemenGroup

JapanCountry

Sep 14, 2026Discovered

Overview

View group profile

Domain

sarkujapan.com

Industry

Transportation

Country

Japan

Discovered

25 days ago

Attack date

Sep 14, 2026

Confidence

70%

Severity

Medium

Status

Claimed

Threat group

thegentlemen

Total victims

954

First seen

Oct 2025

Last seen

Oct 2026

Group status

active

Sophistication

Impact score

Threat level

4.6/10

Aggressiveness10/10

Lethality0/10

Criticality3.6/10

Status breakdown

Data Leaked0.4%4

Negotiating0.2%2

Claimed

this victim

99.4%948

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

Transportation

Known target sector

Country

Japan

Frequently targeted country

Other victims

View all (954)

Same group · thegentlemen

Group activity

Monthly attacks · thegentlemen

954

total · avg 73.4/mo