McKESSON CORPORATION
JOIN OUR INVESTIGATIONScott+Scott Attorneys at Law LLP, a leading consumer protection litigation firm, is investigating the McKesson Corporation ("McKesson"), a leading healthcare distribution and technology company, for its failure to protect the personal and health information of patients and individuals whose data was entrusted to the company, resulting in a cybersecurity incident (the "Data Breach") discovered in August 2026. On or around August 28, 2026, McKesson disclosed the breach, announcing that an investigation had been launched following unauthorized access and exfiltration of data involving third-party applications. The hacking group ShinyHunters has claimed to have stolen more than 284 million records containing patient data.
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What You Need To Know
According to McKesson’s disclosures, the incident involved unauthorized access to data relating to customers of McKesson’s Oncology & Multispecialty and Medical-Surgical business units. The allegedly stolen data includes patient identifiers, medical details, billing information, and doctor-patient messages.
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If you have received a legal notice, data breach letter, or any other communication about this data security incident and are interested in joining a lawsuit, contact Scott+Scott by filling out the form below.
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The Bottom Line:
Scott+Scott Attorneys at Law LLP, a leading consumer protection litigation firm, is investigating the McKesson Corporation ("McKesson"), a leading healthcare distribution and technology company, for its failure to protect the personal and health information of patients and individuals whose data was entrusted to the company, resulting in a cybersecurity incident (the "Data Breach") discovered in August 2026. On or around August 28, 2026, McKesson disclosed the breach, announcing that an investigation had been launched following unauthorized access and exfiltration of data involving third-party applications. The hacking group ShinyHunters has claimed to have stolen more than 284 million records containing patient data.
According to McKesson’s disclosures, the incident involved unauthorized access to data relating to customers of McKesson’s Oncology & Multispecialty and Medical-Surgical business units. The allegedly stolen data includes patient identifiers, medical details, billing information, and doctor-patient messages.
Ethan S. Binder
Ethan Binder is an Associate in the firm’s New York office, specializing in consumer litigation and class actions in both federal and state courts.
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