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

OS Sistemes Ransomware Attack

ossistemes.comRansomed

lynxGroup

SpainCountry

May 10, 2026Discovered

Overview

View group profile

Domain

ossistemes.com

Industry

Technology

Country

Spain

Discovered

5 months ago

Attack date

May 10, 2026

Confidence

85%

Severity

Medium

Status

Claimed

Threat group

lynx

Total victims

First seen

Oct 2025

Last seen

Aug 2026

Group status

active

Sophistication

Impact score

Threat level

2.5/10

Aggressiveness5/10

Lethality0/10

Criticality2.6/10

Status breakdown

Claimed

this victim

100.0%91

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

Technology

Known target sector

Country

Spain

Frequently targeted country

Other victims

View all (91)

Same group · lynx

cutlercapital
United States
Claimed
Talbot County Department of Emergency Services
United Kingdom
Claimed
Jerry Leigh
United States
Claimed
Easterseals Iowa
Singapore
Claimed
Southern Mechanical Contractors
United States
Claimed
Wolf Construction Services, Inc
United States
Claimed

Group activity

Monthly attacks · lynx

total · avg 8.8/mo