Ransomware needs a way in. Stolen credentials are the cheapest one.

PT Pertamina (Persero) Ransomware Attack

pertamina.comRansomed

thegentlemenGroup

IndonesiaCountry

Jul 31, 2026Discovered

Overview

View group profile

Domain

pertamina.com

Industry

Energy & Utilities

Country

Indonesia

Discovered

2 months ago

Attack date

Jul 31, 2026

Confidence

100%

Severity

Medium

Status

Claimed

Threat group

thegentlemen

Total victims

921

First seen

Oct 2025

Last seen

Oct 2026

Group status

active

Sophistication

Impact score

Threat level

4.4/10

Aggressiveness10/10

Lethality0/10

Criticality2.9/10

Status breakdown

Data Leaked0.4%4

Negotiating0.2%2

Claimed

this victim

99.3%915

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

Indonesia

Frequently targeted country

Other victims

View all (921)

Same group · thegentlemen

Group activity

Monthly attacks · thegentlemen

921

total · avg 70.8/mo