.png)
McKesson 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 McKesson Corporation 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 McKesson Corporation
Founded in 1833 and headquartered in Irving, Texas, McKesson Corporation is known for distributing pharmaceuticals, medical-surgical supplies and providing healthcare technology and services. .
McKesson’s business segments include North American Pharmaceutical, Oncology & Multispecialty, Prescription Technology Solutions and Medical-Surgical Solutions.
What Happened?
On Aug. 28, 2026, McKesson announced it was investigating a cybersecurity incident involving unauthorized access to certain third-party applications and the acquisition of data.
The company confirmed that the breach affected data sets associated with a subset of customers within its Oncology & Specialty and Medical-Surgical business units.
According to McKesson’s public statements, leading cybersecurity experts were engaged to assist in the investigation and response. The investigation is ongoing to determine the full scope of the information that may have been accessed or acquired.
At this time, McKesson has not provided detailed specifics about the types of consumer information exposed. The company has committed to providing updates as more information becomes available.
On Aug. 29, 2026, a threat actor known as ShinyHunters claimed responsibility for the breach, posting about it on the dark web via the Tor network. The incident has been described as a ransomware attack.
You May Be Entitled to Compensation
If you were impacted by the McKesson data breach, you may be entitled to compensation. Lawyers are investigating claims on behalf of individuals whose information may have been compromised. By joining a class action lawsuit, you can help hold companies accountable for failing to protect sensitive data and potentially recover compensation for your losses.
To find out if you qualify and to take the next step, complete the below form to join the lawsuit.
.svg)