Ransomware Intelligence

Complexul Energetic Oltenia Ransomware Attack

ceoltenia.ro

RomaniaCountry
Jan 6, 2026Discovered

Domain

ceoltenia.ro

Industry

Energy & Utilities

Country

Romania

Discovered

6 months ago

Attack date

Jan 6, 2026

Confidence

100%

Severity

Medium

Status

Claimed

Threat group

thegentlemen

Total victims

576

First seen

Jul 2025

Last seen

Jul 2026

Group status

active

Sophistication

0

Impact score

89

Threat level

4.2/10
Aggressiveness10/10
Lethality0.1/10
Criticality2.4/10

Status breakdown

Data Leaked0.7%4
Negotiating0.5%3
Claimed
this victim
60.4%348

Victim's position within group

Industry

Energy & Utilities

Known target sector

Country

Romania

Frequently targeted country

Group activity

Monthly attacks · thegentlemen

576

total · avg 44.3/mo

JulAugSepOctNovDecJanFebMarAprMayJunJul0306090120