4.1 Operational Bottlenecks and Legacy System Incompatibilities in Port Hubs
The transition toward Zero-Trust maturity in port-logistics information technology exposes significant tensions between continuous verification protocols and operational continuity across maritime nodes. While contemporary frameworks emphasize predictive analytical structures for assessing dynamic vulnerabilities (Integrating Prompt-Based Zero-Shot Learning into Bayesian Network for Maritime Cybersecurity Risk Analysis, 2026), established structural models for maritime prevention underscore that administrative policies often fail to bridge technical gaps across distributed terminal platforms (Port Cybersecurity and Threat: A Structural Model for Prevention and Policy Development, 2021). Synthesizing these positions reveals that zero-trust capability measurement cannot rely solely on static compliance checklists; instead, robust evaluation requires adaptive risk models that effectively integrate automated threat intelligence with complex multi-stakeholder governance. Nevertheless, a prominent research gap persists regarding how microsegmentation and continuous identity enforcement function within legacy operational technology networks where low-latency communication is vital for automated cargo handling. Most maturity evaluations either treat enterprise IT systems in strict isolation or overlook the operational interdependencies inherent in interconnected port-hinterland ecosystems. Furthermore, current conceptualizations exhibit distinct limitations: existing assessment frameworks struggle to quantify non-linear policy compliance across disparate logistics actors and often underestimate the operational friction introduced by continuous cryptographic authentication in time-sensitive port environments. Consequently, current maturity metrics lack the empirical granularity needed to guide brownfield infrastructure upgrades without impeding trade velocity. Addressing these structural shortcomings requires developing cohesive measurement models that reconcile rigorous least-privilege verification with the throughput demands of modern port terminal infrastructure.