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Listed on a ransomware leak site

rosemontexpo.com

rosemontexpo.com

rosemontexpo.com was listed on the INC Ransom leak site on Nov 13, 2025. Information as of Oct 19, 2026.

Country: United StatesIndustry: Unknown
Updated continuously · figures as of Oct 19, 2026
Claimed by
INC Ransom
First listed
Nov 13, 2025
Claims recorded
1

Leak-Site Claim.

INC RansomConfirmed claim
Posted on the leak site
Nov 13, 2025
Collected by Brandefense
Nov 13, 2025
Data claimed
Not stated
Leak-site post text, written by the group
Rosemont Exposition Services, Inc. is an Illinois-based company that offers exhibitor show services. These include exhibit rentals, utilities, decorating services, catering, and area information. Formerly known as O'Hare Exposition Services, they primarily function as the full-service general contractor for all trade shows and events held at the Donald E. Stephens Convention Center located in Rosemont, IL. Employees: 500 Revenue: $48.6 Million Industry: Business Services Phone Number: [removed]

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Other confirmed victims claimed by the same group
VictimClaimed byCountryIndustryData claimedPosted
verveba.com \
verveba.com
INC RansomUSUnited StatesTelecommunicationsNot stated
fairfeelegalservices.com
fairfeelegalservices.com
INC RansomUSUnited StatesConsultingNot stated
nowaszkola.com
nowaszkola.com
INC RansomPLPolandEducation and ResearchNot stated
coopecaja.fi.cr
coopecaja.fi.cr
INC RansomCRCosta RicaFinancial ServicesNot stated
FINANCIAMENTO LTDA
lexcursos.com.br
INC RansomBRBrazilManufacturingNot stated
Wolf & Sofsky GmbH
wolfusofsky.de
INC RansomDEGermanyConstructionNot 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.