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Attack Surface Reduction

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Security for System

Security for System Hardening: A Practical Guide

In February 2024, a misconfigured system at Change Healthcare led to one of the most devastating ransomware attacks in U.S. healthcare history. The ALPHV/BlackCat group exploited a Citrix remote access portal that lacked multi-factor authentication — a basic security for system control that should have been in place years

Carl B. Johnson Jul 10, 2024 7 min read