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Listed on a ransomware leak site

CONTASS

contassconsultoria.com.br

CONTASS was listed on the ALPHV leak site on Jul 12, 2025. Information as of Oct 19, 2026.

Country: BrazilIndustry: Unknown
Updated continuously · figures as of Oct 19, 2026
Claimed by
ALPHV
First listed
Jul 12, 2025
Claims recorded
1

Leak-Site Claim.

ALPHVConfirmed claim
Posted on the leak site
Date not shown
Collected by Brandefense
Jul 12, 2025
Data claimed
Not stated
Leak-site post text, written by the group
[removed] and consultingfor public administrationmunicipal secretaries, directors and civil servants to developresponsible management, taking into account the principles inherent in public administrationtelefone(38) 3218 5900Rua Tupis, No 437 - 2o andar,B. Melo - Montes Claros - Minas GeraisCep [removed]

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Other confirmed victims claimed by the same group
VictimClaimed byCountryIndustryData claimedPosted
DC ADVISORY
dcadvisory.com
ALPHVINIndiaFinancial ServicesNot stated
Calvetti Ferguson
calvettiferguson.com
ALPHVUSUnited StatesFinancial Services, ConsultingNot stated
YCUA
ycua.org
ALPHVUSUnited StatesFinancial ServicesNot stated
GREEN MOUNTAIN ELECTRIC SUPPLY (gmescom)
gmes.com
ALPHVUSUnited StatesManufacturing, ConstructionNot stated
Rankam China Manufacturing
rankam.com
ALPHVUSUnited StatesUnknownNot stated
Bosselman Energy Inc
bosselmanenergy.com
ALPHVUSUnited StatesUnknownNot stated

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Figures as of Oct 19, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.