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Listed on a ransomware leak site

Cass information Systems

cassinfo.com

Cass information Systems was listed on the Coinbase Cartel and Clop leak site on Feb 10, 2025. Brandefense has recorded 2 separate claims against it. Information as of Oct 19, 2026.

Updated continuously · figures as of Oct 19, 2026
Claimed by
Coinbase Cartel, Clop
First listed
Feb 10, 2025
Claims recorded
2

2 Leak-Site Claims.

Coinbase CartelConfirmed claim
Posted on the leak site
May 11, 2026
Collected by Brandefense
May 11, 2026
Data claimed
Not stated
Leak-site post text, written by the group
Cass Information Systems is a US-based company specializing in payment and information services. It provides freight invoice processing, auditing, and payment solutions, along with utility and telecom expense management. Operating primarily in the financial technology and business process outsourcing industry, Cass serves large corporations across North America and globally, helping clients manage and analyze invoice data to optimize spending and operational efficiency.
ClopConfirmed claim
Posted on the leak site
Feb 10, 2025
Collected by Brandefense
Jul 12, 2025
Data claimed
Not stated
Leak-site post text, written by the group
Cass Information Systems, Inc. is a leading provider of integrated information and payment management solutions. Leveraging its advanced, proprietary technologies, the company provides corporations with detailed analyses and controls over their expenditures, enhancing visibility, accuracy and processing efficiency. The company's services include expense management for telecom, waste, energy and freight.

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Other confirmed victims claimed by the same group
VictimClaimed byCountryIndustryData claimedPosted
Westwing Group SE
westwing.com
Coinbase CartelDEGermanyRetailNot stated
Integrated Health Systems
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Coinbase CartelUSUnited StatesTechnologyNot stated
RXPE Group
rxpe.com
Coinbase CartelCNChinaEnergy and UtilitiesNot stated
Tower Insurance
tower.co.nz
Coinbase CartelNZNew ZealandInsuranceNot stated
Flecha Bus
flechabus.com.ar
Coinbase CartelARArgentinaTransportation and LogisticsNot stated
OTEIS Conseil & Ingénierie
oteis.fr
Coinbase CartelFRFranceConsultingNot stated
Other confirmed victims in the same industry
VictimClaimed byCountryIndustryData claimedPosted
GTL Concreto e Logística LTDA
gtlconcreto.com.br
EmperadorBRBrazilManufacturing2 GB
Merit Financial Group
meritfinancialadvisors.com
StormUSUnited StatesFinancial ServicesNot stated
Finzly Corp
finzly.com
N0nUSUnited StatesFinancial ServicesNot stated
POWERsonic Industries Inc.AuroraCACanadaManufacturingNot stated
SMIC US Company (Sunnyvale, CA, US arm of Semiconductor Manufacturing International Corpo...
smics.com
N0nCNChinaManufacturingNot stated
********rta.ch
rta.ch
CloakCHSwitzerlandFinancial ServicesNot 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.