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Castle Howard Estate Ransomware Attack

castlehoward.co.ukRansomed

QilinGroup

United KingdomCountry

Oct 24, 2026Discovered

Overview

View group profile

Domain

castlehoward.co.uk

Industry

Hospitality

Country

United Kingdom

Discovered

4 days ago

Attack date

Oct 24, 2026

Confidence

90%

Severity

Medium

Status

Claimed

Threat group

Qilin

Total victims

1,439

First seen

Oct 2025

Last seen

Oct 2026

Group status

active

Sophistication

Impact score

126

Threat level

3.9/10

Aggressiveness10/10

Lethality0/10

Criticality1.3/10

Status breakdown

Claimed

this victim

100.0%1,439

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

Hospitality

Known target sector

Country

United Kingdom

Frequently targeted country

Other victims

View all (1439)

Same group · Qilin

Group activity

Monthly attacks · Qilin

1,439

total · avg 110.7/mo