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UOM University Ransomware Attack

uom.grData extortion

coinbasecartelGroup

GreeceCountry

Apr 15, 2026Discovered

Overview

View group profile

Domain

uom.gr

Industry

Education

Country

Greece

Discovered

4 months ago

Attack date

Apr 15, 2026

Confidence

100%

Severity

Medium

Status

Claimed

Threat group

coinbasecartel

Total victims

101

First seen

Sep 2025

Last seen

Aug 2026

Group status

active

Sophistication

Impact score

Threat level

2.9/10

Aggressiveness7/10

Lethality0.1/10

Criticality1.3/10

Status breakdown

Data Leaked2.0%2

Claimed

this victim

98.0%99

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

Greece

Frequently targeted country

Other victims

View all (101)

Same group · coinbasecartel

Group activity

Monthly attacks · coinbasecartel

101

total · avg 8.4/mo