McKesson discloses breach after ShinyHunters claims patient data theft

McKesson discloses breach after ShinyHunters claims patient data theft

Healthcare and pharmaceutical distribution giant McKesson has disclosed a cybersecurity incident involving unauthorized access to third-party applications and data theft, with the ShinyHunters extortion group claiming it stole 284 million patient data records. [...]

McKesson Probes Data Theft After ShinyHunters Claims Access to Patient Records

McKesson Corporation is investigating a cybersecurity incident involving unauthorized access to third-party applications and data exfiltration, while the ShinyHunters extortion group claims it stole approximately 284 million patient-related records from the healthcare and pharmaceutical distribution company. McKesson said it discovered the incident on August 25 and immediately activated its incident-response procedures. The company has brought i…

McKesson Corporation: Ademi LLP Investigates Claims for Damages

MILWAUKEE, Aug. 28, 2026 (GLOBE NEWSWIRE) -- Ademi LLP is investigating potential data privacy claims arising from a data breach involving McKesson. We are investigating whether McKesson maintained reasonable safeguards to protect personal information.

ShinyHunters claims McKesson data breach exposing 284 million patient records | #hacking | #cybersecurity | #infosec | #comptia | #pentest | #ransomware - National Cyber Security Consulting

The ShinyHunters threat group claims it compromised McKesson and obtained data on over 284 million patient records, including highly sensitive medical, identity, prescription, and healthcare provider information. CyberInsider reviewed samples privately provided by the threat actor that appear consistent with the types of information described in the data breach claims. Update: Following a request for […] Thank you for subscribing to our RSS feed…

McKesson is investigating a cybersecurity incident after ShinyHunters claims patient data theft

Lawrence Abrams reports: Healthcare and pharmaceutical distribution giant McKesson has disclosed a cybersecurity incident involving unauthorized access to third-party applications and data theft, with the ShinyHunters extortion group claiming it stole 284 million patient data records. McKesson is a major U.S. healthcare company and pharmaceutical distributor that provides medicines, medical supplies, technology, and services to... Source