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Certus Ransomware Attack

csinsurance.mxRansomed

killsecGroup

MexicoCountry

Jun 3, 2026Discovered

Overview

View group profile

Domain

csinsurance.mx

Industry

Financial Services

Country

Mexico

Discovered

4 months ago

Attack date

Jun 3, 2026

Confidence

100%

Severity

Medium

Status

Claimed

Threat group

killsec

Total victims

First seen

Sep 2025

Last seen

Sep 2026

Group status

active

Sophistication

Impact score

Threat level

3/10

Aggressiveness6/10

Lethality0/10

Criticality2.8/10

Status breakdown

Data Leaked0.4%1

Negotiating0.8%2

Claimed

this victim

98.8%256

Targeted sectors

Education Financial Services Government & Defense Healthcare Hospitality Manufacturing Other Professional Services Retail & E-Commerce Technology Transportation

Victim's position within group

Industry

Financial Services

Known target sector

Country

Mexico

Frequently targeted country

Other victims

View all (259)

Same group · killsec

Group activity

Monthly attacks · killsec

total · avg 4.2/mo