With the rapid development of wireless networks, the issue of information security in wireless communications has gradually emerged, and it has become one of the biggest obstacles to the popularization of this technology. To meet the increasing security and reliability requirements of new network environments, wireless network security standards and protocols are constantly being updated and enhanced. Based on the current development of wireless networks in Beijing, this paper discusses the optimization of encryption protocols in network security protocols, introduces the PrefixSpan algorithm and improves its algorithms, and then performs data mining based on Prefix, and analyzes the intrusion lines and their correlations. Finally, the feasibility of using the improved PrefixSpan algorithm to optimize the encryption protocol is verified through experiments.
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