Ransomware needs a way in. Stolen credentials are the cheapest one.

Rossum Ransomware Attack

rossum.skRansomed

qilinGroup

SlovakiaCountry

Jul 1, 2026Discovered

Overview

View group profile

Domain

rossum.sk

Industry

Professional Services

Country

Slovakia

Discovered

3 months ago

Attack date

Jul 1, 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

Professional Services

Known target sector

Country

Slovakia

Frequently targeted country

Other victims

View all (1477)

Same group · qilin

Group activity

Monthly attacks · qilin

1,477

total · avg 113.6/mo