critical · other · Disclosed Aug 31, 2026

McKesson Confirms Data Breach as Attacker Deadline Looms

284M

records exposed

The ShinyHunters extortion group has claimed the theft of 284 million records from the company’s systems. The post McKesson Confirms Data Breach as Attacker Deadline Looms appeared first on SecurityWeek.

Original Disclosure

https://www.securityweek.com/mckesson-confirms-data-breach-…

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Severity

critical

Sector

other

Disclosure date

August 31, 2026

Indexed

10 hours, 43 minutes ago

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