BreachCensus

Fullsteam Software Holdings LLC dba Event Rental Systems

United States of America

Fullsteam Software Holdings LLC dba Event Rental Systems is an organisation in Texas. It appears on the California Attorney General breach-notification register and the Texas Attorney General breach-notification register with 1 confirmed incident (2 filings); the most recent notice was filed on December 16, 2025.

Data as of September 20, 2026.

Confirmed incident

Filed in TX and CA

The same incident was filed separately with 2 jurisdictions within a few days of each other (TX and CA) — shown here as one incident.

Occurred
September 16, 2025
Disclosed
December 16, 2025
Records affected
13,370

Timeline

  1. December 15, 2025
    Reported to regulator Regulator

    CA AG breach notification: an unknown number of California residents affected

    source
  2. December 16, 2025
    Reported to regulator Regulator

    TX AG breach notification: 2,792 Texas residents affected

    source
What a Texas notice means

Governed by Tex. Bus. & Com. Code §521.053. Notice to the Attorney General is required when a breach affects at least 250 Texas residents.

Note: the published count is a total, not limited to Texas residents.

Texas breach-notification register ↗

What a California notice means

Governed by Cal. Civ. Code §1798.82. A copy of the notification must be sent to the Attorney General when a single breach requires notifying more than 500 California residents.

Note: no affected-count is published on this register.

California breach-notification register ↗