Event Rental Systems and Fullsteam Software Holdings, LLC data breach

Clerk's notes

Event Rental Systems and Fullsteam Software Holdings, LLC have formally reported a data breach incident to the New Hampshire Attorney General's office. This report was filed on December 15, 2025, initiating a formal record of the event. The companies are currently investigating the full scope and impact of this security incident.

These entities specialize in providing technology solutions, including software and management platforms, primarily for the event and equipment rental sectors. In the course of their operations, they typically handle a range of personal information necessary for transactions, account management, and service delivery. This can include customer contact details, business operational data, and payment processing information.

While specific details about the types of information involved have not been publicly disclosed in detail, the report indicates that personal information maintained within their systems may have been compromised. Affected individuals have reportedly been sent direct notification letters to inform them of the incident.

If you have received a data breach notification letter from Event Rental Systems or Fullsteam Software Holdings, LLC, it is important to review this document carefully. The letter should provide specific information about the breach and any recommended steps you can take to protect yourself. General recommendations often include monitoring your financial statements for any unusual activity and being cautious of unsolicited communications.

For those who received a direct notification letter, understanding the implications of this breach is crucial. A review of your circumstances can help determine if this incident warrants further action. Consulting with professionals experienced in data breach matters can provide clarity on your options.

If a notification letter about this breach reached you, see every New Hampshire data breach on file or browse all cases.