Where does the Horizon Behavioral Health case file come from?

Every entry is taken from the breach report Horizon Behavioral 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: Horizon Behavioral Health Data Breach

This file collects the dated facts on record for the Horizon Behavioral Health incident. The state report is dated April 25, 2025.

Timeline

April 25, 2025Report filed in New HampshireDate the notice was lodged with the New Hampshire Attorney General.

Case facts

Filing state: New Hampshire
Date reported: April 25, 2025
Receiving office: New Hampshire Attorney General

Case notes

Horizon Behavioral Health, operating in New Hampshire, filed an official data breach notification on April 25, 2025. The company confirmed an incident that led to the exposure of personal information. As of the filing date, many specific details about this event remain limited.

The public records do not specify the nature of the breach, such as how the unauthorized access occurred, nor do they detail the exact categories of information that may have been compromised. Horizon Behavioral Health has indicated that the incident is currently under investigation, suggesting more information may become available as their inquiry proceeds.

Furthermore, the total number of individuals whose data may have been affected by this breach has not been disclosed in the public filing. The record from the regulatory agency provides initial confirmation of the breach but offers few specifics regarding its scope or impact.

Individuals who have been notified by Horizon Behavioral Health should remain vigilant. It is generally advisable to monitor your accounts and financial statements for any unusual activity. Be cautious of unsolicited communications, especially those requesting personal details.

Reviewing credit reports for inaccuracies and being aware of potential phishing attempts are also important protective measures. For further updates or detailed guidance, affected individuals should refer directly to communications from Horizon Behavioral Health.

Questions about this case file

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

Filing source: New Hampshire Attorney General

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Timeline

Case facts

Case notes

Questions about this case file

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