Event Rental Systems
ent_35e44766ecc832d24993055e
Disclosures
3
State AG · 3 jurisdictions
Multi-filing incidents
1
incidents joining 2+ filings here
Max affected reported
311
nationwide · State AG OR
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- Event Rental Systems
- Normalized
- event rental— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- None on record
- Corporate parent
- Fullsteam Software Holdings LLC— as stated in the breach filing
Disclosure history (3)newest first
- Oregon State AGas victim2025-12-22
Event Rental Systems reported a data breach to the Oregon Attorney General. The breach was reported on 2025-12-22. The breach occurred during 10/1/2024, 10/31/2025. The breach was discovered on 10/1/2024. 311 individuals were affected. Notice was sent on 12/15/2025.
- New Hampshire State AGas victim2025-12-15
Event Rental Systems (operated by Fullsteam Software Holdings LLC) disclosed a security event where unauthorized code was inserted into customer website modules between October 2024 and October 2025. The code scraped payment card data (number, CVV, expiration) and customer contact info. 6 New Hampshire residents were affected. The company engaged forensic investigators, notified law enforcement and card brands, removed the code, and offered 12 months of credit monitoring via Experian. Notifications began December 15, 2025.
- Nebraska State AGas victim2025-12-15
Event Rental Systems (dba Fullsteam Software Holdings LLC) disclosed a security event where unauthorized code was inserted into customer website modules to scrape payment card data (including CVV and expiration dates) and personal information between October 2024 and October 2025. The company removed the code, engaged forensic investigators, notified law enforcement and card brands, and offered 12 months of credit monitoring via Experian. No SSN or bank account data was impacted.