Latest / California / December 2025

Fullsteam Software Holdings LLC d/b/a Event Rental Systems

Fullsteam Software Holdings LLC d/b/a Event Rental Systems notified California AG on Dec 15, 2025 of a data breach, which occurred on Sep 16, 2025. Data exposed: Social Security number, Driver's license / state ID, Financial / bank account, Name.

All 2 filings by Fullsteam Software Holdings LLC d/b/a Event Rental Systems, state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
Fullsteam Software Holdings LLC d/b/a Event Rental Systems
Source
California AG · source record
Date reported
Dec 15, 2025
Date(s) of breach
Tuesday, September 16, 2025
Residents affected
Not published by this source
Data exposed
Social Security number Driver's license / state ID Financial / bank account Name
Notice letter
Sample notice (PDF)
Discovered
Dec 15, 2025, as stated in the letter
"From: Event Rental Systems < ERS@noticemail.csid.com > Sent: To: Subject: Notice of a Data Breach December 15, 2025 Dear , Event Rental Systems ("ERS"), which offers a customizable event rental software, including online reservation serv..."
Days to notice
0 days from discovery (Dec 15, 2025) to the California record (Dec 15, 2025). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82).
Offered in the letter
credit or identity monitoring through Experian
Third party
The letter attributes the incident to a vendor or service provider
First seen by BreachTally
2026-10-30 15:28 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

First seen by BreachTally at 15:28 UTC on Oct 30, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the count, the data exposed and the letter. Start a 14-day free trial. We email you two days before the first charge and you cancel in one click.
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Other filings by Fullsteam Software Holdings LLC d/b/a Event Rental Systems

OrganizationSourceStateReportedResidents affectedData exposed
Fullsteam Software Holdings LLC dba Event Rental Systems Texas AG TX Dec 16, 2025 2,792 Financial / bank accountName

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.