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Case file

Case File: Nium, Inc. Data Breach

This file collects the dated facts on record for the Nium, Inc. incident. The state report is dated December 11, 2025.

Timeline

  1. December 11, 2025Report filed in New HampshireDate the notice was lodged with the New Hampshire Attorney General.

Case facts

Filing state
New Hampshire
Date reported
December 11, 2025
Receiving office
New Hampshire Attorney General

Case notes

Nium, Inc. has formally reported a data security incident to authorities in New Hampshire. The filing, dated December 11, 2025, indicates that an event affecting personal information has occurred, though the specifics are still being determined. The company states that an investigation into the matter is underway.

The exact nature of the breach, the specific types of personal information involved, and the number of individuals affected have not been specified in the initial filing. Details regarding when the incident took place are also currently unknown. This initial report establishes a public record of the event.

For individuals who may eventually receive a notification letter from Nium, Inc., this public filing provides a point of reference. Such notices typically contain more detailed information about the incident and specific recommendations for affected parties.

General protective steps are always advisable when a data security incident is reported. These include reviewing financial account statements and credit reports for any unauthorized activity, and being cautious of unsolicited communications that request personal details. Setting up fraud alerts with credit bureaus can also provide an additional layer of security.

This public record from Nium, Inc. underscores the importance of staying informed and proactive about personal data security. Future updates from the company or additional public filings may provide more comprehensive details as the investigation progresses.

Questions about this case file

Where does the Nium, Inc. case file come from?
Every entry is taken from the breach report Nium, Inc. lodged with the New Hampshire Attorney General. Nothing here is estimated.
Why do the incident date and the report date differ?
Companies usually investigate before they report. The gap between the two dates shows how long that took.
What does the records-affected figure count?
It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.
Does this case file change over time?
Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.
New Hampshire data breaches

Filing source: New Hampshire Attorney General