The Municipal Chamber of Serra Ransomware Attack

camaraserra.es.gov.br

thegentlemenGroup

BrazilCountry

Jul 31, 2026Discovered

Overview

View group profile

Domain

camaraserra.es.gov.br

Industry

Government & Defense

Country

Brazil

Discovered

8 days ago

Attack date

Jul 31, 2026

Confidence

100%

Severity

Medium

Status

Claimed

Threat group

thegentlemen

Total victims

370

First seen

Aug 2025

Last seen

Aug 2026

Group status

active

Sophistication

Impact score

Threat level

4.2/10

Aggressiveness10/10

Lethality0.1/10

Criticality2.3/10

Status breakdown

Data Leaked0.8%3

Negotiating0.3%1

Claimed

this victim

98.9%366

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

Government & Defense

Known target sector

Country

Brazil

Frequently targeted country

Other victims

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Group activity

Monthly attacks · thegentlemen

370

total · avg 28.5/mo