物理隔離網(wǎng)絡無線電入侵的檢測與跟蹤
[Abstract]:Physical isolation refers to some important network and information systems to protect themselves from attacks, but with the development of network technology, the traditional physical isolation network protection method can not guarantee the security of intranet information. Especially with the rise of offline attacks in recent years, it can be intruded by radio signals without any contact and interconnection with the network, so the strict physical isolation network is no longer secure. First of all, this paper analyzes the research on physical isolation network security at home and abroad, shows the characteristics of complex and difficult to control offline attacks, and concludes that the most common attack mode is "radio intrusion". Secondly, the attack model of the famous "Operation Orchard" is analyzed. Combined with the development of network security architecture and physical isolation, a radio intrusion prevention system is proposed by adopting the idea of "breaking through each other", which provides a kind of reference scheme for further research. Then the detection and tracking of radio intrusion are studied. This paper introduces the spectrum sensing technology based on entropy to capture, classify, analyze and compare the simulation data to select the best performance algorithm. A range-angle measurement model is proposed, which uses radar tracking system to complete intrusion tracking. Finally, the key technologies of the proposed radio intrusion prevention system are realized by using the obtained conclusions and models.
【學位授予單位】:西安電子科技大學
【學位級別】:碩士
【學位授予年份】:2014
【分類號】:TN014;TP393.08
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