HackingTechnologyInformationStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Financial accountAuthenticationLowContained

Event Rental Systems

bd_9d723e3147e643e8 · schema v1 · pii pii-v2

Severity

Low

Discovered

—

Filed

Dec 15, 2025

To disclose

—

Affected

Not disclosed

Linked

3 filings

Confidence

65%

Full breach record for Event Rental Systems →

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.

J jump to incidentP pin to compareR raw source

Incident timeline

Oct 1, 2024

Begins

Dec 15, 2025

Filed

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

New Hampshire State AGbd_5578d5188eaa04702025-12-15Verified
Oregon State AGbd_694e75732fd59f242025-12-22 · +7dCandidate

Name: Fullsteam Software Holdings LLC
norm: fullsteam software

Name: Event Rental Systems
norm: event rental
Also named: Fullsteam Software Holdings LLCoperating subsidiary ofholding company
Industry: Technologyllm

Discovered: —
Breach occurred: Oct 1, 2024 – Oct 1, 2025
Materiality determined: —
Notification sent: Dec 15, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Financial accountAuthentication
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1056 Input Capture
Threat actor: ExternalFinancial
Initial access: exploit_public_facing

During the incident: Removed the code
Took steps to secure the affected systems
Engaged a forensic firm to investigate
Notified law enforcement
Notified the card brands
Changes made: Deploy additional safeguards onto our systems
Reinforcing our security practices
Actively reviewing our systems to enhance security monitoring and controls
Fortify the same
Regularly review our security and privacy policies and procedures and implement changes
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

New Hampshire State AGDec 15 · first

Nebraska State AGDec 15 · first · this page

Oregon State AG+7d

Pattern: first filing Dec 15 (NH), last Dec 22 (OR) — a 7-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://nebraska.gov/ago/data-breach/documents/94f4a441-f3cb-4435-9528-865c16402d07.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 15, 2025
Raw hash: b3948f27880c7ff1848c7f5bfefae4c47cf3ed7eb253f740cb022cd1409896f2

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityFullsteam Software Holdings LLC

Victim entityEvent Rental Systems

IncidentUnauthorized Access

Stated responseRemoved the code

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov