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Institut "Jožef Stefan" Ransomware Attack

ijs.siData extortion

coinbase cartelGroup

SloveniaCountry

May 12, 2026Discovered

Overview

View group profile

Domain

ijs.si

Industry

Education

Country

Slovenia

Discovered

5 months ago

Confidence

85%

Severity

Medium

Status

Claimed

Threat group

coinbase cartel

Total victims

192

First seen

Oct 2025

Last seen

Aug 2026

Group status

active

Sophistication

Impact score

Threat level

2.1/10

Aggressiveness5/10

Lethality0/10

Criticality1.1/10

Status breakdown

Data Leaked0.5%1

Claimed

this victim

99.5%191

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

Education

Known target sector

Country

Slovenia

Not a listed target country

Other victims

View all (192)

Same group · coinbase cartel

Group activity

Monthly attacks · coinbase cartel

192

total · avg 17.5/mo