Migliaccio & Rathod LLP is involved in the Mainline Health Systems Data Breach Investigation, regarding a breach that impacted 36,659 individuals and their personal information.
On May 21, 2025, Mainline Health Systems, Inc. (“Mainline Health Systems“) discovered unauthorized access in its computer system. Mainline Health Systems subsequently conducted an investigation, which determined a cybercriminal had stolen the personally identifiable information of individuals maintained therein on April 10, 2025. The compromised information potentially includes the following sensitive data:
- full names
- Social Security numbers
- physical addresses
The Mainline Health Systems Data Breach
The Mainline Health Systems recently provided notice of the data breach. All of the information stolen is likely valuable and dangerous to affected victims. As is likely to be the case with the Mainline Health Systems data breach, in previous cyberattacks, victims of data theft have noticed identity theft attempts ranging from fraudulent charges on bank accounts or credit cards, to unauthorized credit card applications, to medical services or government services ordered in their name, to their information being posted on the dark web, to a massive uptick in the number of spam text messages, calls and emails received.
Are you concerned that you might be affected by the Mainline Health Systems data breach?
If you have concerns that you have been affected by this data breach, and/or have experienced suspicious activity since the breach, we would like to hear from you. Please complete the contact form on this page, send us an email at [email protected], or give us a call at (202) 470-3520.
The lawyers at Migliaccio & Rathod LLP have years of experience in class action litigation against large corporations, including in cases involving data breaches such as this. More information about our current cases and investigations is available on our blog.