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Mid-South Pulmonary & Sleep Specialists Data Breach

In November 2025, Mid-South Pulmonary & Sleep Specialists experienced a data breach that exposed personal health information, including Social Security numbers and medical data. Affected individuals may be entitled to compensation through a class action lawsuit. Contact Class Action U for a free consultation and see if you have a case.

Mid-South Pulmonary & Sleep Specialists
Date of Breach: December 30, 2025
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Who was affected:

Clients of Mid-South Pulmonary & Sleep Specialists

Impacted Data:

First and Last Name

Address

Date of Birth

Social Security Number

Health Insurance Information

Medical Diagnosis Information

On December 30, 2025, Mid-South Pulmonary & Sleep Specialists P.C. (MSPSS) notified individuals about a data breach that occurred in November 2025. The breach involved the unauthorized access of protected health information (PHI), which may have included sensitive details such as Social Security numbers and medical diagnoses. While MSPSS has not reported misuse of the data, it is offering assistance to affected individuals to help them protect their information and take appropriate actions.

Mid-South Pulmonary & Sleep Specialists’ Data Breach Investigation

MSPSS discovered unauthorized activity in its computer systems on or around November 2, 2025. After identifying the incident, the company acted quickly to secure its network and engaged a third-party forensic team to investigate. Through this investigation, MSPSS confirmed that a limited amount of protected health information (PHI) had been compromised.

The breach affected individuals’ personal data, including first and last names, addresses, dates of birth, Social Security numbers, health insurance details, and medical diagnoses. The extent of the exposure may vary for each affected individual, as not all data types may have been involved for everyone impacted.

Following the discovery of the breach, MSPSS implemented additional security measures to safeguard its systems. The company is actively reviewing its internal policies and procedures related to data security to prevent future incidents. Affected individuals are being notified, and MSPSS has established a dedicated toll-free call center to address any concerns or questions regarding the incident.

When Did This Breach Occur?

The breach was first discovered on November 2, 2025, and MSPSS became aware of it around that date. The incident was fully identified following an internal investigation after that time.

What Information Was Breached?

The compromised data may have included the following types of personal information:

  • First and Last Name
  • Address
  • Date of Birth
  • Social Security Number
  • Health Insurance Information
  • Medical Diagnosis Information

MSPSS is still reviewing the specifics of each affected individual’s data to determine exactly what was compromised.

What You Can Do

If you were impacted by this data breach, there are several proactive steps you can take to protect your personal information:

  1. Monitor Your Accounts: Stay vigilant by reviewing your account statements, credit reports, and explanation of benefits (EOB) forms for any unauthorized activity.
  2. Place a Fraud Alert: Contact the three major credit bureaus (Equifax, TransUnion, and Experian) to place a fraud alert on your credit report, which will help protect against new credit accounts being opened in your name.
  3. Request a Credit Freeze: A credit freeze can prevent anyone from accessing your credit report without your consent, providing an extra layer of security.
  4. Obtain a Free Credit Report: You are entitled to one free credit report annually from each of the major credit bureaus. Review your report for discrepancies and notify the bureaus if you spot any errors.

Additionally, MSPSS is offering resources for identity theft protection and fraud monitoring. Be sure to take advantage of these services to reduce the risk of misuse of your information.

File a Data Breach Lawsuit Against Mid-South Pulmonary & Sleep Specialists

If you have received a notification from MSPSS regarding this data breach, or if you believe your personal information was involved, you may have grounds to file a lawsuit. Affected individuals can often receive compensation through class action lawsuits that hold companies accountable for failing to protect personal data.

Don’t stand alone—take action now by contacting Class Action U. We can connect you with an attorney who specializes in class action lawsuits. Fill out our quick, easy, and secure form today to see if you qualify to join the lawsuit. There’s no cost to reach out to our legal partners, and no obligation to do anything further after speaking with someone from our team.

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Other Data Breaches
Date of Breach: December 30, 2025
Date of Breach: February 24, 2026
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Frequently Asked Questions

A data breach occurs when sensitive, confidential, or protected information is accessed, stolen, or disclosed without authorization. Data breaches often occur through phishing emails, malware, weak passwords, insider threats, or unsecured databases. Indicators of a data breach can include unexpected password resets, suspicious account activity, unauthorized transactions, or notifications from companies about compromised information.If you suspect your data has been compromised, you must take measures and act quickly. Change passwords, enable two-factor authentication, review your financial accounts for unusual activity and consider freezing your credit.

Once stolen, your personal information may be sold on the dark web or used for identity theft and financial fraud. In some cases, hackers use the data to extort companies or launch further attacks. Victims often face long-term risks, including damage to credit and privacy.

If you receive a data breach notification, don’t ignore it. Immediately change passwords for the affected account and any others that share credentials. Enroll in any free credit monitoring services offered and monitor financial statements closely.

To pursue a data breach claim, you’ll need documentation showing your information was compromised and proof of resulting harm, such as fraudulent charges, credit score damage, or identity theft reports. Notification letters, financial records, and communication with the breached company can help support your claim.

Yes. If a company fails to protect consumer data or delays notifying victims, it may be held liable under state and federal privacy laws. Many victims join class action lawsuits to recover financial losses and hold negligent organizations accountable.

Data breach settlements vary widely depending on the size of the breach, type of data compromised, and damages suffered by victims. Payouts may include cash compensation, identity theft protection, or reimbursement for losses. Many settlements range from a few hundred to several thousand dollars per person. A skilled data breach lawyer can guide victims through the complex legal process, ensuring their rights are protected. If you’ve received a data breach notification or believe your personal data was exposed, you may be eligible for compensation. Contact Class Action U to learn more about how to join a data breach lawsuit and understand the process of filing.