Ransomware Intelligence

GCA Professional Ransomware Attack

gca-group.com

thegentlemenGroup

Hong KongCountry

Apr 4, 2026Discovered

Overview

View group profile

Domain

gca-group.com

Industry

Financial Services

Country

Hong Kong

Discovered

4 months ago

Attack date

Apr 4, 2026

Confidence

100%

Severity

Medium

Status

Claimed

Threat group

Total victims

607

First seen

Aug 2025

Last seen

Jul 2026

Group status

active

Sophistication

0

Impact score

89

Threat level

4.2/10

Aggressiveness10/10

Lethality0.1/10

Criticality2.2/10

Status breakdown

Data Leaked0.8%5

Negotiating0.5%3

Claimed

this victim

57.2%347

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

Financial Services

Known target sector

Country

Hong Kong

Frequently targeted country

Other victims

Same group · thegentlemen

Group activity

Monthly attacks · thegentlemen

607

total · avg 50.6/mo