• June 2025 •

Mainline Health Systems Data Breach

Last Updated on June 24, 2025

If you received a notice that your information was compromised, you may be able to start a class action to collect money for the harm you’ve suffered.

• Keep reading for more information

At A Glance

What's Going On?: Attorneys need to hear from people affected by the Mainline Health data breach as they investigate whether a class action lawsuit can be filed.
What You Can Do: If you got a letter or email about the data breach, fill out the form on this page to learn more about the investigation and how you can help.
Does This Cost Anything?: It costs nothing to get in touch or to talk to someone about your rights.
What Can I Get?: If filed and successful, a class action lawsuit could provide consumers with money for any harm resulting from the breach.

Mainline Health Data Breach: Lawsuit Investigation

Attorneys working with ClassAction.org are looking into whether a class action lawsuit can be filed in light of the Mainline Health data breach.

As part of their investigation, they need to hear from individuals who received a notice stating they were impacted.

Mainline Health Security Incident: What Happened?

Mainline Health Systems Inc. recently announced a data breach involving personal information collected and maintained by the company. The incident was identified on April 10, 2024, leading to an investigation with cybersecurity experts.

By May 21, 2025, Mainline Health discovered that files containing sensitive personal and health information were compromised. Affected data includes names, birthdates, Social Security numbers, driver’s license numbers, financial and payment card information, health insurance information, and medical details pertaining to treatment, diagnoses, prescriptions, and more. Not all details were compromised for every individual.

Mainline Health is notifying affected individuals and sent notices via U.S. mail on June 20, 2025. According to a report to the Maine Attorney General's Office, 101,104 people were impacted by the Mainline Health Systems data breach.

Mainline Health Systems operates over 30 locations in Arkansas, across Ashley, Bradley, Chicot, Cleveland, Desha, Drew, Grant, and Lincoln counties, providing medical, dental, and behavioral health services.

What You Can Do After the Mainline Health Data Breach

If your information was exposed in the data breach, attorneys want to hear from you. You may be able to start a class action lawsuit to recover compensation for loss of privacy, time spent dealing with the breach, out-of-pocket costs, and more.

A successful case could also force Mainline Health to ensure it takes proper steps to protect the information it was entrusted with.

Got a notice about the Mainline Health data breach? Fill out the form on this page today.