Remote Vessel Control Using One-Way Ethernet Isolation
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Solution Overview
Problem
Remote control of vessels, particularly maritime vessels, is highly susceptible to cyberattacks due to inherent external access through computer networks, with existing software-based protection systems becoming increasingly penetrable, posing significant security risks.
Innovation Solution
Implementing a one-way Ethernet cable between a switch and a remote control computing device aboard the vessel to prevent hacker-driven feedback signals, combined with encryption using randomly generated keys based on vessel data to secure communications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If remote control of vessels is implemented via computer network, then control capability is improved, but security vulnerability increases
Solution Approach 1:
A one-way Ethernet cable is introduced as an intermediary component between the remote control computing device and the vessel's control network. This cable allows control signals to flow from the remote device to the vessel while physically preventing feedback signals from traveling back to the remote device, thus blocking cyberattacks without compromising remote control functionality
Solution Approach 2:
The communication path is segmented into unidirectional channels using the one-way Ethernet cable. This segmentation separates the control signal transmission path from the feedback signal path, allowing remote control while preventing malicious feedback signals from reaching the remote computing device
2Reliability
If software-based encryption is used to protect data, then security is improved, but penetrability increases
Solution Approach 1:
The one-way Ethernet cable serves as a physical intermediary that complements software encryption by providing hardware-level protection. While encryption protects data at the software level, the one-way cable provides a physical barrier that prevents attackers from accessing the network even if they bypass encryption
Solution Approach 2:
The security system uses a composite approach combining software-based encryption with hardware-based one-way communication. This multi-layered security architecture (software encryption + hardware isolation) creates stronger protection than either method alone, making it significantly more difficult for attackers to penetrate the system
Data Source
AI summary
A machine and process for remotely controlling a vessel. The system may include a land-based computing system configured to communicate control signals via a communications system that communicates the control signals to the vessel and a controller network on the vessel configured to control at least certain functions of the vessel. The controller network may further be configured to receive the control signals from the land-based computing system. The controller may include a switch including an input port and multiple output ports. A remote control computing device may be configured to control the vessel via at least one other computing device. A one-way Ethernet cable may be communicatively coupled between one of the output ports of the switch and the remote control computing device. The control signals may be received by the switch being communicated to the remote control computing device via the one-way Ethernet cable.