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Critical Infrastructure Under Siege: Analyzing the Change Healthcare Ransomware Attack

· 8 min read
Security Architect
Incident Response Specialist

On February 21, 2024, the American healthcare system experienced one of its most significant cyber incidents when Change Healthcare, a critical technology backbone processing 15 billion healthcare transactions annually, fell victim to the ALPHV/BlackCat ransomware group. The attack's ripple effects demonstrated a harsh reality: our critical infrastructure remains dangerously vulnerable to sophisticated cyber threats.

The Evolution of Vulnerability Management: Why CVSS Alone Is No Longer Enough

· 7 min read
Senior Threat Intelligence Analyst
Vulnerability Research Lead

For over two decades, the Common Vulnerability Scoring System (CVSS) has been the cornerstone of vulnerability prioritization. Security teams worldwide have relied on the simple directive: "Patch everything with a CVSS score above 7.0." But as the threat landscape evolves and the volume of vulnerabilities explodes, this approach is not just outdated—it's dangerous.