Data Breach Law Group Investigates the Event Rental Systems and Fullsteam Software Holdings, LLC Data Breach
By Data Breach Law Group | Posted on December 15, 2025 · New Hampshire
Miami, FL — Data Breach Law Group is investigating a data breach involving Event Rental Systems and Fullsteam Software Holdings, LLC, reported to the New Hampshire Attorney General on December 15, 2025. The firm is reviewing whether affected individuals have legal claims arising from the incident.
Event Rental Systems and Fullsteam Software Holdings, LLC appear to be technology companies providing specialized software solutions and management platforms for the event and equipment rental industry. These companies typically collect and store sensitive information including customer contact details, business operational data, and payment processing information necessary to facilitate rental transactions and software subscriptions. The breach was officially reported to the New Hampshire Attorney General in 2025, and affected individuals have been contacted directly via a formal data breach notification letter. If you have received such a letter, it indicates that your personal information maintained within their systems may have been compromised, and you should review the provided documentation carefully to understand the specific scope of the incident.
If you were affected
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.
Did you receive a letter from Event Rental Systems and Fullsteam Software Holdings, LLC?
A case review is free and confidential. Tell us about your letter and we will explain your options.