Data Breach Law Group Investigates the Nium, Inc. Data Breach
By Data Breach Law Group | Posted on December 11, 2025 · New Hampshire
Miami, FL — Data Breach Law Group is investigating a data breach involving Nium, Inc., reported to the New Hampshire Attorney General on December 11, 2025. The firm is reviewing whether affected individuals have legal claims arising from the incident.
Nium, Inc. is a global financial technology company specializing in cross-border payments and infrastructure for digital financial services. Given the nature of their business, the company typically collects and stores sensitive information including government-issued identification, financial account details, and personal contact information necessary to facilitate international transactions. This security incident was officially reported to the New Hampshire Attorney General in 2025, confirming that unauthorized access to their systems occurred. If you received a data breach notification letter from Nium, it indicates that your personal information was likely contained within the compromised data set. We recommend reviewing the letter carefully to understand the specific scope of the exposure and the identity monitoring services being offered to help protect your financial security.
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 Nium, Inc.?
A case review is free and confidential. Tell us about your letter and we will explain your options.