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Bun Holding Ransomware Attack

bun.nlRansomed

threeamGroup

NetherlandsCountry

Sep 30, 2026Discovered

Overview

View group profile

Domain

bun.nl

Industry

Other

Country

Netherlands

Discovered

9 days ago

Confidence

75%

Severity

Medium

Status

Claimed

Threat group

threeam

Total victims

First seen

Oct 2025

Last seen

Oct 2026

Group status

active

Sophistication

Impact score

Threat level

3.2/10

Aggressiveness6/10

Lethality0/10

Criticality3.6/10

Status breakdown

Negotiating1.8%1

Claimed

this victim

98.2%55

Targeted sectors

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

Victim's position within group

Industry

Other

Known target sector

Country

Netherlands

Frequently targeted country

Other victims

View all (56)

Same group · threeam

Fleetworks Inc.
United States
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Claimed
Bun Holding
Netherlands
Claimed
Dr. Christine Fisher
United States
Claimed
Industrial Controls SAC
Peru
Claimed
HSJ Lawyers LLP
Canada
Claimed

Group activity

Monthly attacks · threeam

total · avg 7/mo