Where does the Cooper Health System case file come from?

Every entry is taken from the breach report Cooper Health System 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: Cooper Health System Data Breach

This file collects the dated facts on record for the Cooper Health System incident. The state report is dated May 23, 2025.

Timeline

May 23, 2025Report filed in New HampshireDate the notice was lodged with the New Hampshire Attorney General.

Case facts

Filing state: New Hampshire
Date reported: May 23, 2025
Receiving office: New Hampshire Attorney General

Case notes

Cooper Health System has publicly reported an unspecified data breach, with an official filing made on May 23, 2025, in New Hampshire. The public record indicates that an investigation into this incident is currently ongoing to determine the full scope and nature of the exposure.

Details regarding the specific type of breach or the exact categories of personal information affected by this incident are not available in the public filing. However, individuals are generally advised to proceed with caution regarding any personal data that may have been involved.

Anyone who receives a direct notification letter from Cooper Health System should carefully review that communication. Official notices often contain specific details about the incident, including any data types confirmed as exposed and recommendations tailored to the situation.

In general, it is prudent to remain vigilant for unexpected communications, particularly those asking for personal details. Regularly monitor financial statements, credit reports, and other personal accounts for any unauthorized activity. If unusual activity is detected, report it immediately to the relevant financial institutions or service providers.

Questions about this case file

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

Named in the Cooper Health System breach?

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Timeline

Case facts

Case notes

Questions about this case file

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