McKesson disclosed a cybersecurity incident affecting its information systems and said an investigation is in its early stages.
Key Highlights:
- On Aug. 25, 2026 McKesson discovered a cybersecurity incident impacting its information systems.
- The investigation is in its early stages; updates will be posted at www.mckesson.com/cybersecurity.
- As of this filing, McKesson has not determined the incident is material or likely to have a material impact on financial condition or results.
Original SEC Filing: MCKESSON CORP [ MCK ] – 8-K – Aug. 28, 2026
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