Framework: HITRUST

Network segmentation and Zero Trust principles form the architectural backbone of modern assurance under r2. Candidates must understand that segmentation limits the spread of compromise by dividing networks based on sensitivity and function, while Zero Trust eliminates implicit trust between zones. HITRUST assessors expect documented network diagrams, firewall configurations, and access control policies that demonstrate least privilege enforcement. Evidence should prove that segmentation rules are actively monitored and reviewed for effectiveness.

In application, Zero Trust models rely on identity verification, continuous authentication, and micro-segmentation to isolate workloads. For exam readiness, candidates should connect these strategies to confidentiality and integrity objectives within HITRUST domains. Organizations implementing Zero Trust architectures provide proof of identity-aware routing, multi-factor enforcement, and adaptive access policies. r2 certification validates that network defense is not perimeter-based but dynamic and data-centric, ensuring secure connectivity across hybrid and cloud environments.
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