McKesson

McKesson

Data Breach on September 01, 2026
Data Breach Report
Victimmckesson.com
Claimed ByShinyHunters
Date DiscoveredSep 01, 2026
DescriptionMcKesson Corporation is a healthcare services company based in the USA (Texas), specializing in pharmaceutical distribution, medical supplies, health information technology, and care management solutions.
Leak SizeUnknown

Credential Exposure for mckesson.com

We've indexed 23,864 @mckesson.com accounts from external breaches, plus 1,991 credentials for mckesson.com itself.

Last checked Oct 11, 2026

@mckesson.com addresses from external breaches
Combo lists15,596 accounts · most recent Oct 10, 2026
Third-party breaches11,752 accounts · across 571 breaches · 10,945 with a plaintext password · most recent Oct 6, 2026
Passwords for mckesson.com accounts
Combo lists1,820 logins · most recent Oct 10, 2026
Infostealer logs526 logins · 289 infected devices · most recent Sep 28, 2026

Logins may belong to customers or to staff, and the data doesn't say which. None of this is necessarily connected to the ransomware attack above.

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