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Guardian Barrier Services Ransomware Attack

guardianbarrierservices.comRansomed

threeamGroup

—Country

Sep 30, 2026Discovered

Overview

View group profile

Domain

guardianbarrierservices.com

Industry

Hospitality

Discovered

7 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

Hospitality

Known target sector

Other victims

View all (56)

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HSJ Lawyers LLP
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Claimed

Group activity

Monthly attacks · threeam

total · avg 7/mo