Official Case FileSC · Apr 22, 2025

Onsite Mammography Data Security Incident

Investigation Open

Reported to the SC Attorney General on April 22, 2025.

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§ I

The Breach — What We Know

Onsite Mammography was the subject of a data breach notification filed with the SC Attorney General. The AG filing was recorded on April 22, 2025.

Onsite Mammography operates as a specialized healthcare provider dedicated to delivering mobile and accessible diagnostic imaging services directly to patients, often collaborating with medical clinics, corporate wellness programs, and community health organizations. Because of the critical diagnostic nature of their operations, the company routinely collects, processes, and stores an extensive volume of highly sensitive protected health information and personally identifiable information. This includes comprehensive patient intake files, detailed mammographic imaging records, physician referral notes, and insurance billing profiles necessary to coordinate preventative women's health screenings. The necessity of maintaining centralized patient databases to track longitudinal health histories and diagnostic outcomes makes healthcare entities like Onsite Mammography prime repositories for deeply confidential records. In 2025, Onsite Mammography reported a significant security incident to the South Carolina Attorney General, alerting patients and regulatory bodies to an unauthorized compromise of its network environment. While healthcare data breaches frequently stem from sophisticated cyberattacks—such as ransomware deployment, malicious unauthorized access to centralized clinical databases, or vulnerabilities introduced via third-party medical software vendors—incidents of this scale generally underscore severe vulnerabilities in digital infrastructure. Security failures within healthcare networks often leave encrypted or unencrypted medical archives exposed for indeterminate periods, allowing unauthorized actors to infiltrate internal systems and extract sensitive patient files without immediate detection. The exposure of medical and personal data in a healthcare breach creates profound, multi-layered risks for affected individuals that extend far beyond standard identity theft. Diagnostic records, health insurance identification numbers, and clinical treatment notes combined with foundational identifiers like full names, dates of birth, and Social Security numbers provide cybercriminals with the exact components needed to commit medical identity theft. This insidious form of fraud can result in fraudulent medical billing under a victim's name, unauthorized prescription acquisition, manipulation of medical histories that endanger future care, and compromised health insurance benefits. Furthermore, because foundational data elements such as Social Security numbers and birth dates cannot be changed, victims face a lifetime exposure window for targeted financial fraud, tax return tampering, and account takeover schemes. Healthcare providers like Onsite Mammography are bound by stringent legal and regulatory mandates to safeguard patient information under federal and state statutes, most notably the Health Insurance Portability and Accountability Act (HIPAA) and the Health Information Technology for Economic and Clinical Health (HITECH) Act. These laws require covered entities and their business associates to implement robust administrative, physical, and technical safeguards, including continuous network monitoring, strict access controls, regular vulnerability assessments, and advanced encryption standards. The occurrence of a data breach strongly suggests a potential failure in these mandated security obligations, raising serious questions regarding whether the company exercised reasonable care and adequate preventative measures to protect confidential medical records from foreseeable cyber threats. Receiving an official data notification letter from Onsite Mammography serves as formal legal acknowledgment that your confidential records were compromised as a result of the company's security failure. Under modern data breach jurisprudence, the receipt of such a notification generally establishes the necessary legal standing to initiate or participate in a class action lawsuit, even before financial loss or identity theft manifests. Affected individuals have the right to seek accountability, compensation for out-of-pocket expenses, and court-mandated improvements to corporate data security practices. Our law firm is currently investigating potential class action claims on behalf of all impacted patients, operating strictly on a contingency fee basis where you pay nothing out of pocket and owe no legal fees unless a recovery is successfully secured on your behalf.
§ II

Case Facts & Filing Record

State Filed
SC
Date Reported to AG
Apr 22, 2025
Date of Breach
Not disclosed
Records Affected
Not disclosed
Filing Status
Investigation Open
Last Updated
Oct 5, 2026
Data Types Exposed
Full NameDate of BirthSocial Security NumberMedical Record NumberHealth Insurance ID NumberDiagnosis and Treatment InformationPhysician and Provider InformationMailing Address
§ III

Risk Analysis — Exposed Data

Based on the data types reported in this filing, affected individuals face the following specific risks:

Identity Theftcritical

Your SSN is the master key to your identity. Once exposed, criminals can open new lines of credit, take out loans, or file taxes in your name.

Identity Verification Bypassmedium

Combined with a name and other leaked data, date of birth helps criminals pass identity verification questions at banks and government agencies.

§ IV

Were You Affected?

Under the South Carolina data breach notification law, you may have a legal claim against Onsite Mammography if any of the following apply:

  • You received a written data breach notification letter from Onsite Mammography
  • You are or were a customer, patient, or employee of Onsite Mammography
  • Your information was held by Onsite Mammography in SC
  • Your protected health information was stored in the compromised system

Applicable law: This breach was reported under the South Carolina data breach notification law, which establishes your right to seek damages from Onsite Mammography.

§ V

Federal & State Protections — Compensation Available

01
Lost Time & Remediation Costs

The hours spent responding to a data breach — canceling accounts, contacting credit bureaus, updating passwords, and investigating fraud — represent compensable economic harm in data breach litigation.

02
Identity Theft Protection Costs

Once your SSN is exposed, protection becomes an ongoing expense. Plaintiffs in data breach settlements have recovered costs for credit freezes, identity protection subscriptions, and time spent dealing with fraudulent accounts — sometimes covering multiple years of exposure.

03
HIPAA Statutory Damages

HIPAA violations carry civil penalties between $100 and $50,000 per violation. Where a healthcare organization's negligence led to the exposure of protected health information, class members may recover statutory damages in addition to actual losses.

04
Statutory Minimum Damages

Several state data breach laws provide for statutory minimum damages — fixed amounts recoverable per affected individual regardless of actual loss. These provisions exist specifically to make legal action viable for victims who have not yet experienced direct harm.

Note: an attorney general breach filing does not by itself establish a settlement fund, a payment amount, or a claim deadline. If an official settlement notice is later issued, rely on that notice for payment details and deadlines.

§ VI

Frequently Asked Questions

Do I need proof that my data was misused to file a claim against Onsite Mammography?

No. Under South Carolina data breach notification law and federal law, the unauthorized exposure of your personal data — regardless of whether it has been actively misused — can be sufficient grounds for a claim. The breach itself is the injury.

How much does filing a claim cost?

Nothing. The Law Office of David S. Harris handles data breach cases on contingency — you pay zero upfront and owe nothing unless compensation is recovered.

My Social Security Number was exposed. What should I do right now?

Immediately place a free credit freeze at all three bureaus (Equifax, Experian, TransUnion). A freeze blocks new accounts from being opened in your name. Then file a complaint with the FTC at IdentityTheft.gov and contact our office — SSN exposure is one of the most serious breach types.

Does HIPAA give me additional rights in the Onsite Mammography breach?

If Onsite Mammography is a covered healthcare entity or business associate under HIPAA, affected patients have additional rights — including the right to an HHS complaint. These HIPAA violations also strengthen civil damages claims. Consult an attorney to understand your full remedies.

Is it too late to file a claim?

Statutes of limitations for data breach claims vary by state but typically run 2–4 years. Depending on when you learned of the breach, you may still have time. Contact our office for a free eligibility review — there is no cost to find out.

What if Onsite Mammography offered me free credit monitoring after the breach?

Accepting free credit monitoring from Onsite Mammography does not waive your right to pursue legal action unless you signed a specific release waiving claims. In most cases, victims who accepted monitoring can still file.

Do I need to have received a notice letter to be eligible?

Not necessarily. Many data breach victims are never notified directly. If your personal information was held by Onsite Mammography during the relevant period, you may still qualify even without receiving a letter. A free eligibility review can confirm your status.

Received a notification letter from Onsite Mammography?

Read our dedicated guide — what the letter means and exactly what to do.

Read Letter Guide →
§ VII

Submit Your Free Case Review

If you were affected by the Onsite Mammography data breach, you may be entitled to compensation. Submit your information below for a free attorney review — no obligation, no upfront cost.

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Source: State Attorney General filing, SC

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