Critical national infrastructure now relies on interconnected SCADA and smart grid systems that were once isolated but are increasingly exposed to cyberattacks. Pages 3 and 4 show how compromise of these command networks can disrupt utilities and threaten public safety, with real incidents such as the Ukraine power outage. As fiber links and IoT expand, encryption becomes essential to protect data in motion. The paper highlights high-assurance, low-latency encryption as the only reliable defense, recommending dedicated CN Series hardware for core networks and CV Series virtual encryption for extended WAN, ensuring end-to-end, tamper-proof protection across all layers.

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