According to the structures of internal and external information networks of power enterprises and the characteristics of enterprise network perimeter information interactions, the paper designs a security audit model and a security assessment framework based on state graph perception, proposes related technologies of perimeter massive log analysis and deep mining, and gives a specific research direction and research methods, thus providing guidance for the construction of a network perimeter information interactive security audit platform for power enterprises.

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Based on the solution of large enterprise network security vulnerability scanning problem, this article proposes a network version vulnerability scanning system based on web, perfectly match the features of its so many branches. This system server based on port scanning module and crawling module as the core, wherein a combination scanning mode including fully connected scanning mode and semi connected scanning mode was adopted in the port scanning module. The prototype experiment proves its feasibility in this article, so this system can be applied well in the enterprise which having many branches.