Data Breach Law Group Investigates the Terillium Data Breach
By Data Breach Law Group | Posted on October 24, 2025 · New Hampshire
Miami, FL — Data Breach Law Group is investigating a data breach involving Terillium, reported to the New Hampshire Attorney General on October 24, 2025. The firm is reviewing whether affected individuals have legal claims arising from the incident.
Terillium appears to be a professional technology consulting and enterprise software services firm, specializing in business systems and digital transformation. As a provider of complex IT and data management solutions, the company typically collects and stores sensitive information including employee records, client contact details, and proprietary financial data. This security incident was officially reported to the New Hampshire Attorney General in 2025 following the discovery of unauthorized access to their systems. If you have received a formal data breach notification letter from Terillium, it indicates that your personal information was stored within their environment at the time of the event. We recommend reviewing the letter carefully to understand the specific scope of the exposure and the identity monitoring services being offered.
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 Terillium?
A case review is free and confidential. Tell us about your letter and we will explain your options.