The Fullsteam Software Holdings LLC dba Event Rental Systems Data Breach: Reported Filing Facts

Fullsteam Software Holdings LLC, doing business as Event Rental Systems, operates as a specialized technology company providing cloud-based management software for the event and party rental industry. Because their platform facilitates business operations, they typically collect and store sensitive information including customer names, billing addresses, payment card details, and contact information necessary for processing rental transactions. This data breach was officially reported to the Texas Attorney General in 2025, and the company has since issued formal data breach notification letters to all impacted individuals. If you received such a letter, it indicates that your personal information stored within their software environment may have been accessed by an unauthorized party, and you should review the provided instructions to protect your identity and financial accounts.

State: Texas
Breach date: October 8, 2025
Reported: December 16, 2025

What to do if you were affected

These general steps can help limit the risk of identity theft and fraud after any data breach.

Stay alert to targeted scams
Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.
Keep your notification letter
Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

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