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Markisol Ransomware Attack

markisol.seRansomed

thegentlemenGroup

SwedenCountry

Sep 26, 2026Discovered

Overview

View group profile

Domain

markisol.se

Industry

Manufacturing

Country

Sweden

Discovered

13 days ago

Attack date

Sep 21, 2026

Confidence

100%

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

Manufacturing

Known target sector

Country

Sweden

Frequently targeted country

Other victims

View all (954)

Same group · thegentlemen

Group activity

Monthly attacks · thegentlemen

954

total · avg 73.4/mo