ZTNA and iDMZ—The Gold Standard for OT Remote Access In the maritime world, enabling remote access to critical Operational Technology (OT) networks is essential for maintenance and diagnostics. However, directly exposing these sensitive systems to the internet or the broader IT network is an unacceptable risk. This is why the combination of a dedicated Industrial […]
🚢 Implementing the 3-Zone Network Segmentation Model The 3-Zone Network Segmentation Model is a robust architecture designed to protect a vessel’s most critical systems by establishing clear, firewalled boundaries between different levels of trust. This model is ideal for retrofitting existing ships, using a central firewall as the gatekeeper. The three zones are: Step 1:
VLANs and ACL – 3-Zone Model Read More »
Network segmentation is the single most effective way to prevent an initial breach (e.g., a phishing email on the crew IT network) from disabling or seizing control of your critical Operational Technology (OT) systems. This guide translates the foundational concept of Zones and Conduits from the IACS UR E26 and IEC 62443 standards into a
Network Segmentation (retrofits) Read More »
