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Title |
A study of Secure Remote Supervision of Critical Infrastructure using Unidirectional Communication |
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Author |
Mateusz Chmiel, |
| Citation |
Vol. 20 No. 6 pp. 15-20 |
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Abstract |
This paper discusses the advantages of using unidirectional communication in case of remote supervision of critical infrastructure. This paper discusses proposed solution in reference to IEC 62443 standard and defense in depth strategy. It also show the advantage of discussed solution over commonly used firewalls. In the final part it was confirmed that this is not only a theoretical consideration, but also working solution that can be implemented based on available solutions - one of them has been mentioned and characterized along with a discussion of its configuration. The purpose of this paper is to prove that unidirectional communication significantly improves security of critical infrastructure and that this solution should be required if there is provided remote access to monitor elements of SCADA oriented network from external network. |
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Keywords |
unidirectional communication, secure remote supervision, remote access, VPN, network security. |
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