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University College London Ransomware Attack

ucl.ac.ukRansomed

crypto24Group

United KingdomCountry

Jan 24, 2026Discovered

Overview

View group profile

Domain

ucl.ac.uk

Industry

Healthcare

Country

United Kingdom

Discovered

9 months ago

Attack date

Jan 24, 2026

Confidence

100%

Severity

Medium

Status

Claimed

Threat group

crypto24

Total victims

First seen

Oct 2025

Last seen

Apr 2026

Group status

active

Sophistication

Impact score

Threat level

2.7/10

Aggressiveness4.5/10

Lethality0/10

Criticality3.7/10

Status breakdown

Claimed

this victim

100.0%18

Targeted sectors

Education Energy & Utilities Government & Defense Healthcare Hospitality Manufacturing Other Professional Services Technology

Victim's position within group

Industry

Healthcare

Known target sector

Country

United Kingdom

Frequently targeted country

Other victims

View all (18)

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Group activity

Monthly attacks · crypto24

total · avg 2.6/mo