Tag
change-healthcare
Safeguard articles tagged "change-healthcare" — guides, analysis, and best practices for software supply chain and application security.
2 articles
Incident Analysis
UnitedHealth Change Healthcare: 190 Million Update and the Long Tail
In January 2025 UnitedHealth revised the Change Healthcare breach count to 190 million people, the largest HIPAA breach in US history. We unpack what changed and the supply-chain lessons that still apply.
Mar 23, 20267 min read
Incident Analysis
Change Healthcare Ransomware 2024: Deep Dive
The Change Healthcare ransomware attack knocked US healthcare payments offline for weeks. A missing MFA on a Citrix portal was the root cause United confirmed.
Mar 5, 20267 min read
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