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Complexul Energetic Oltenia Ransomware Attack

ceoltenia.roRansomed

the gentlemenGroup

RomaniaCountry

Jan 6, 2026Discovered

Overview

View group profile

Domain

ceoltenia.ro

Industry

Energy & Utilities

Country

Romania

Discovered

7 months ago

Confidence

70%

Severity

Medium

Status

Claimed

Threat group

the gentlemen

Total victims

333

First seen

Sep 2025

Last seen

Jul 2026

Group status

active

Sophistication

Impact score

Threat level

2.5/10

Aggressiveness5/10

Lethality0/10

Criticality2.4/10

Status breakdown

Data Leaked0.3%1

Negotiating0.3%1

Claimed

this victim

99.4%331

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

Romania

Frequently targeted country

Other victims

View all (333)

Same group · the gentlemen

Group activity

Monthly attacks · the gentlemen

333

total · avg 30.3/mo