Where does the Quantum Health case file come from?

Every entry is taken from the breach report Quantum Health 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.

Case file

Case File: Quantum Health Data Breach

This file collects the dated facts on record for the Quantum Health incident. The state report is dated July 29, 2026.

Timeline

July 29, 2026Report filed in New HampshireDate the notice was lodged with the New Hampshire Attorney General.

Case facts

Filing state: New Hampshire
Date reported: July 29, 2026
Receiving office: New Hampshire Attorney General

Case notes

Quantum Health, a company specializing in healthcare navigation and care coordination, filed a report with the New Hampshire Attorney General's office regarding a security incident. The report, submitted on July 29, 2026, indicates that personal information handled by the company may have been compromised.

The nature of the breach and the specific types of data involved have not been publicly detailed, as the incident remains under ongoing technical investigation. Quantum Health serves as a link between patients, employers, and healthcare providers, managing a substantial amount of sensitive consumer data.

Such incidents can create risks for affected individuals. When personal information is exposed, there is a potential for misuse, including various forms of fraud or identity-related schemes. Individuals are advised to remain vigilant regarding their personal accounts and communications.

Those who receive an official notification from Quantum Health should carefully review its contents for any specific instructions or details relevant to their situation. It is generally recommended to monitor financial accounts for unusual activity and to be cautious of unsolicited communications that request personal information.

This filing serves as an official record of the incident, with further specifics regarding the scope and impact of the breach expected to be clarified as the investigation progresses. The New Hampshire Attorney General's office received the notification as part of standard regulatory compliance.

Questions about this case file

Where does the Quantum Health case file come from?: Every entry is taken from the breach report Quantum Health 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

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Timeline

Case facts

Case notes

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