The Fullsteam Software Holdings LLC d/b/a Event Rental Systems Data Breach: Incident Facts and Free Case Review

Fullsteam Software Holdings LLC d/b/a Event Rental Systems reported a data breach to the CA Attorney General's office on December 15, 2025. If Fullsteam Software Holdings LLC d/b/a Event Rental Systems sent you a written notice, that letter connects you to this incident. Whether you have a legal claim depends on the specific facts of the breach and your situation — a free case review can help you understand your options.

State: CA
Breach date: September 16, 2025
Reported: December 15, 2025

Source: CA Attorney General filing

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