Abstract:

This paper expounded how to adopted the strategy of layered depth protection and P2DR2 build a multi-level, three-dimensional dynamic protection model, dynamic network security protection system. This paper combined with the information security protection and the international standard, in the analysis of the current situation of Anhui tobacco business system of information security, on the basis of Anhui tobacco commercial system was put forward based on the security domain of network security architecture and security domain partition way, from the terminal, network, application, system, data security, five levels of building dynamic information and network security protection system.

Key words: security domain, classified protection, safety protection