Hackers claim millions of patient records stolen during data breach at healthcare giant McKesson

The company disclosed it was hacked and is preparing for intermittent service degradation affecting medicine and medical-device distribution to U.S. hospitals and healthcare practices. The disruption risk introduces near-term operational uncertainty, though no specific financial magnitude (e.g., revenue or cost) was provided. Expect cautious market reaction until service stability, scope of impact, and remediation details are clarified.