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Arbeiterkammer Ransomware Attack

arbeiterkammer.atRansomed

thegentlemenGroup

AustriaCountry

Aug 21, 2026Discovered

Overview

View group profile

Domain

arbeiterkammer.at

Industry

Professional Services

Country

Austria

Discovered

10 days ago

Attack date

Aug 21, 2026

Confidence

100%

Severity

Medium

Status

Claimed

Threat group

thegentlemen

Total victims

495

First seen

Sep 2025

Last seen

Aug 2026

Group status

active

Sophistication

Impact score

Threat level

4.1/10

Aggressiveness10/10

Lethality0/10

Criticality1.8/10

Status breakdown

Data Leaked0.6%3

Negotiating0.2%1

Claimed

this victim

99.2%491

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

Professional Services

Known target sector

Country

Austria

Frequently targeted country

Other victims

View all (495)

Same group · thegentlemen

Group activity

Monthly attacks · thegentlemen

495

total · avg 41.3/mo