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ENERGON HOLDING Ransomware Attack

energon.czRansomed

thegentlemenGroup

Czech RepublicCountry

Jul 10, 2026Discovered

Overview

View group profile

Domain

energon.cz

Industry

Energy & Utilities

Country

Czech Republic

Discovered

about 2 months ago

Attack date

Jul 10, 2026

Confidence

100%

Severity

Medium

Status

Claimed

Threat group

thegentlemen

Total victims

502

First seen

Sep 2025

Last seen

Sep 2026

Group status

active

Sophistication

Impact score

Threat level

4.1/10

Aggressiveness10/10

Lethality0/10

Criticality2/10

Status breakdown

Data Leaked0.6%3

Negotiating0.2%1

Claimed

this victim

99.2%498

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

Energy & Utilities

Known target sector

Country

Czech Republic

Frequently targeted country

Other victims

View all (502)

Same group · thegentlemen

Group activity

Monthly attacks · thegentlemen

502

total · avg 38.6/mo