Medimpact Data Breach Lawsuit Investigation

Shamis & Gentile P.A., one of the nation's premier class action law firms specializing in data breach cases, is investigating the Medimpact Healthcare Systems data breach.

If you were affected by the data breach, your sensitive personally identifiable information may have been exposed, and you may be eligible for compensation.

About Medimpact Healthcare Systems

Founded in 1989, Medimpact Healthcare Systems is an independent, privately held pharmacy benefit manager headquartered in San Diego, California.

Medimpact provides pharmacy benefit management services for health plans, self-insured employers and government programs. Their services include prescription claims processing, contract management, retail and mail network management, clinical solutions and specialty pharmacy management.

What Happened?

On Oct. 18, 2025, Medimpact discovered unauthorized activity within certain systems in its environment.

The company secured the affected systems and brought in cybersecurity experts to investigate. As part of this investigation, Medimpact reviewed the data that may have been impacted and determined that information relating to both adults and minors was involved.

Shortly after the incident, a ransomware group called Qilin claimed responsibility for the attack and posted about it on the dark web on Oct. 27, 2025.

The incident has so far impacted adults and minor dependent members of the Legget & Platt, Inc. Employee Benefits Plan.

Information Exposed:

• Names
• Other data elements

You May Be Entitled to Compensation

If your information was exposed in the Medimpact data breach, you may be eligible for compensation. Laws protect consumers when their personal information is compromised, and legal action can help you recover losses and hold companies accountable for failing to safeguard your data.

To find out if you qualify to join a lawsuit related to this breach, complete the below form. Lawyers are ready to review your situation and help you take the next steps.

Sources

• Leggett & Platt Data Breach
• Dark web