Horizon Behavioral Health reported this breach to the New Hampshire Attorney General. Affected individuals who received a notification letter may be entitled to financial compensation through a class action lawsuit — at no cost to you.
According to the New Hampshire Attorney General filing, the following types of personal information were compromised in the Horizon Behavioral Health data breach:
Each type of exposed data strengthens your legal claim. Courts have consistently recognized that the unauthorized disclosure of this information constitutes actionable harm.
Horizon Behavioral Health operates as a specialized healthcare provider dedicated to delivering comprehensive mental health services, psychiatric care, and counseling programs to individuals and families. Because the organization treats patients navigating vulnerable psychological conditions, it routinely collects and maintains extensive confidential files. This sensitive repository includes comprehensive intake questionnaires, detailed psychiatric evaluations, clinical progress notes, psychotherapy session records, and individualized treatment plans. To coordinate specialized therapies and manage billing operations, the organization also retains administrative and financial records, making it a centralized custodian of highly intimate personal details.
In 2025, Horizon Behavioral Health disclosed a significant cybersecurity incident to the New Hampshire Attorney General, raising serious concerns regarding the safety of patient information. Breaches affecting behavioral health and psychiatric facilities typically involve sophisticated cyberattacks, such as ransomware deployments, unauthorized intrusions into electronic health record databases, or vulnerabilities exploited within third-party medical billing and practice management software. When malicious actors infiltrate these networks, they gain unrestricted access to legacy systems and active databases alike, often exfiltrating vast amounts of confidential data before detection occurs.
The exposure of behavioral health records carries uniquely devastating consequences for affected individuals. Unlike standard retail or financial data, psychological and psychiatric records contain highly sensitive, private narratives regarding mental health diagnoses, substance use histories, trauma counseling, and prescribed psychotropic medications. When this information is compromised, victims face severe risks of social stigma, targeted extortion, medical identity theft, and fraudulent insurance claims filed under their names. Furthermore, the inclusion of foundational identifiers like Social Security numbers and dates of birth exposes victims to long-term financial fraud, including unauthorized credit applications and account takeovers that can persist for years.
As a covered healthcare provider, Horizon Behavioral Health was bound by strict statutory mandates under the Health Insurance Portability and Accountability Act (HIPAA), alongside state consumer protection and data security laws. These legal frameworks require covered entities to implement robust administrative, physical, and technical safeguards—such as multi-factor authentication, end-to-end encryption, network segmentation, and regular vulnerability assessments—to protect electronic protected health information. The occurrence of a data breach strongly indicates a failure to maintain these required security standards, suggesting that vulnerabilities within the organization's digital infrastructure were left unmitigated.
Receiving an official data breach notification letter from Horizon Behavioral Health serves as formal legal confirmation that your confidential records were compromised as a direct result of corporate negligence. Under modern data breach jurisprudence, the receipt of this letter establishes legal standing to participate in a class action lawsuit, allowing victims to seek accountability and financial compensation without needing to prove that actual financial loss has already occurred. Our firm is actively investigating potential claims on behalf of affected individuals, operating strictly on a contingency fee basis, which means you pay nothing out of pocket unless we successfully recover compensation on your behalf.
You do not need to prove you were financially harmed to qualify. Courts have recognized that the exposure of personal data itself constitutes actionable harm. You may qualify if any of the following apply:
You received a data breach notification letter from Horizon Behavioral Health
You were a customer, patient, employee, or client of Horizon Behavioral Health
Your personal information was stored in Horizon Behavioral Health's systems
Your Social Security number or driver's license number was exposed
Your medical records, diagnoses, or health insurance information was compromised
Your financial account, credit card, or banking information was disclosed
You reside in the United States (all 50 states eligible)
That letter is legally required and confirms your data was exposed. It also gives you standing to file a claim.
What your notification letter means & what to do next →Take these steps immediately to protect yourself and preserve your right to compensation.
Your Horizon Behavioral Health data breach notification letter is legal evidence. Store it in a safe place — physical and digital copies. It establishes that you were affected by this breach and strengthens your claim for compensation.
Horizon Behavioral Health is typically required to offer free credit monitoring to affected individuals. Check your notification letter for enrollment instructions and use all offered services — they help detect fraud early and document harm.
Contact Equifax, Experian, and TransUnion to place a free credit freeze. This prevents new accounts from being opened in your name and protects you from identity theft. You can lift the freeze at any time.
You have a limited window to file a claim. Contact our attorneys today for a free, no-obligation case review. We handle all Horizon Behavioral Health data breach cases on a contingency basis — you pay nothing unless we win.
Security Incident
Prior to AG notification
Unauthorized access to Horizon Behavioral Health's systems containing personal information.
Reported to Attorney General
April 25, 2025
Horizon Behavioral Health filed an official data breach notice with the New Hampshire AG.
Consumer Notification Letters Sent
Within weeks of AG filing
State law requires companies to mail notification letters to all affected individuals.
Legal Window — Act Now
Statute of limitations applies
State law sets a deadline to file claims. Waiting can forfeit your right to compensation.
Data breach victims may be entitled to several forms of compensation. The specific amounts depend on your state, the type of data exposed, and the company's conduct.
States like California allow $100–$750 per incident regardless of actual harm. Other states provide separate statutory remedies for data breach victims.
Reimbursement for any fraud charges, unauthorized transactions, or expenses you incurred as a direct result of the breach.
Compensation for hours spent monitoring accounts, disputing fraud, freezing credit, and dealing with the aftermath of the breach.
Reimbursement for the cost of credit monitoring services, identity theft protection, and related identity restoration expenses.
SSN and driver's license exposure creates long-term identity theft risk. Courts recognize the ongoing value of this harm and may award damages accordingly.
The unauthorized exposure of health and medical information may trigger HIPAA-related claims and additional state health privacy protections.
Exposure of financial account or credit/debit card information entitles victims to recover for actual and potential fraud losses.
New Hampshire's breach notification law (RSA 359-C) requires timely notice to affected individuals and the Attorney General. New Hampshire residents may pursue civil action for actual damages and attorney's fees stemming from inadequate data protection.
These companies also reported data breaches to the New Hampshire Attorney General. If you received a letter from any of these organizations, you may also be entitled to compensation.
One Medical
New Hampshire · Jul 2026
Town of Canterbury, NH
New Hampshire · Jun 2026
Center for Advanced Eye
New Hampshire · Jun 2026
West Series of Lockton Companies, LLC
New Hampshire · Jun 2026
Easterly Government Properties, Inc.
New Hampshire · Jun 2026
Open Arms Care Corporation
New Hampshire · Jun 2026
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