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Aarsleff Ransomware Attack

aarsleff.seRansomed

QilinGroup

SwedenCountry

Sep 16, 2026Discovered

Overview

View group profile

Domain

aarsleff.se

Industry

Manufacturing

Country

Sweden

Discovered

23 days ago

Attack date

Sep 16, 2026

Confidence

100%

Severity

Medium

Status

Claimed

Threat group

Total victims

1,476

First seen

Oct 2025

Last seen

Oct 2026

Group status

active

Sophistication

0

Impact score

123

Threat level

3.9/10

Aggressiveness10/10

Lethality0/10

Criticality1.3/10

Status breakdown

Data Leaked0.1%1

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

Sweden

Frequently targeted country

Other victims

View all (1476)

Same group · Qilin

Group activity

Monthly attacks · Qilin

1,476

total · avg 113.5/mo