Biggest Healthcare Industry Cyber Attacks

This report reviews major healthcare cyber incidents across multiple years—detailing ransomware, malware, phishing, third‑party breaches, accidental PHI exposures, and exploited vulnerabilities—that impacted millions of patients and resulted in large financial and operational consequences; it names affected organizations (e.g., Anthem, HCA, Excellus, Change Healthcare), quantifies scale and costs, and references known threat groups and exploited vectors.