Rosemont Exposition Services, Inc.
bd_0997b0498020bfcc · schema v1 · pii pii-v1
Full breach record for Rosemont Exposition Services, Inc. →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group INC Ransom on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.
Source: Ransomware.live
Post text · scraped from the leak site
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: ([REDACTED-PHONE]
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Oct 15, 2025
Claim posted
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No filing yet · watching
Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.
Claim → filing
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Compliance clock
Not assessable
Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.
No regulatory filing corroborates this yet — it is the attacker's own assertion. Watch this entity to be notified the moment a filing corroborates or contradicts it.
Source ceiling
- actor name
- victim claim
- ransom/leak status
- discovery date
- materiality
- notification
- affected count
- confirmed data types
- compliance clock
The ✕ fields stay blank until a regulatory filing or victim disclosure lands.