McKesson discloses breach after ShinyHunters claims patient data theft

Executive Summary

McKesson, a major healthcare and pharmaceutical distributor, announced a cyber incident where attackers accessed third‑party applications and stole data. The extortion group ShinyHunters claims to have stolen 284 million patient records. McKesson is investigating the breach and has notified affected parties.


Intelligence Metadata - Source Publisher: Bleeping Computer - Published Date: 2026-08-28T22:40:17+00:00 - Category: threat-intel

Original Description: 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. [...]

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Source: Bleeping Computer