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Healthcare giant McKesson sued over massive data breach
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Fusion42 · 1 September 2026 · Fusion42 review
McKesson Corp. faces a proposed class action lawsuit over a massive data breach compromising 284 million patient records, allegedly caused by voice-phishing attacks on employee accounts that led to unauthorized access of sensitive health information.
This Wire brief sits within Fusion42's coverage of Healthtech Infrastructure.
◆ ◆ The Wire takeaway
You face rising legal risks from cybersecurity gaps in handling patient data as McKesson’s breach signals stronger enforcement of health data protection laws. Review your security and compliance urgently or expect costly lawsuits and fines.
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1 source · 1 Sep 2026
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