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INTEGRITY MONITORING IMPLEMENTATION FOR THE OPERATING SYSTEM IMAGE LOADED THROUGH A NETWORK TO THE THIN CLIENT

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The paper deals with the problem of protection for the process of operating system loading from the server to the diskless workstation through a network and the analysis of the existing ways of integrity monitoring for information transferred under network protocols. Within the scope of research, solution is proposed making it possible to perform integrity monitoring of the operating system loaded image before control is transferred to it. For security protection of loading, key information elements are marked which integrity needs to be guaranteed. The developed solution, as an information security product, should meet the requirements of information security and at the same time be compatible to other hardware and software tools used for protection of the automated systems. The proposed solution implements the algorithm of integrity monitoring for an operating system designed with the use of public key infrastructure. Analysis of hardware configuration for the projected solution from the point of view of its usability and administration ease is provided, and possibilities of intruder’s attacks to the protected information are estimated, as well.

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