• July 2025 •

McKenzie Memorial Hospital Data Breach

Last Updated on July 29, 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 McKenzie Memorial Hospital 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.

McKenzie Memorial Hospital Data Breach: Lawsuit Investigation

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

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

McKenzie Memorial Hospital Security Incident: What Happened?

McKenzie Memorial Hospital, a medical and surgical hospital based in Sandusky, Michigan, has reported a recent security incident involving unauthorized access to its network. On or around April 15, 2025, the hospital discovered unusual activity and secured its network, involving third-party experts to conduct an investigation. The investigation revealed that information on the network might have been compromised between April 14 and April 15, 2025.

On June 19, 2025, the hospital completed its review and determined that a limited amount of personal information may have been accessed by an unauthorized party in connection with the data breach. This information varies by individual but may include names, addresses, phone numbers, email addresses, Social Security numbers, driver's license/state ID numbers, dates of birth, diagnosis, dates of service, patient account numbers, medical record numbers, health insurance information, employee bank account numbers and treatment cost details.

Individuals affected by the McKenzie Memorial Hospital data breach are now being notified via mail on McKenzie Health System letterhead. Approximately 54,016 people are affected by the incident, according to a report submitted to the Maine Attorney General's Office.

What You Can Do After the McKenzie Memorial Hospital 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 McKenzie Memorial Hospital to ensure it takes proper steps to protect the information it was entrusted with.

Got a notice about the McKenzie Memorial Hospital data breach? Fill out the form on this page today.