英语论文网

d, destroyed, inserted, delayed and lost, out-of-order as well in the process of storage and transmission. When it comes to military information, the destruction of integrity possibly means delaying the opportunity for combat, internecine fighting or leaving fighting capacity unused. To destroy the integrity of the information is the ultimate aim to attack information security.
Availability refers to the attribute that the information can be accessed by legitimate users and can be used according to the required sequence, that is to say, the required information can be accessed when it is needed. The purpose of attack to the availability is to interdict the availability of the information. For example, the destruction of the normal operation of the network and relevant system belongs to this type of attack. In terms of the information security management methods and ways, the following measures should be adopted to strengthen institutionalized management. First and foremost, it is practical to establish and carry out network access system to check the identification of network users. Secondly, the system of networking registration and networking computer management should be improved, and strengthen the management of the network users and network computers. Thirdly, establish the network information standardization management system, and carry out the unified regulations to the upload information. What’s more, the corresponding administrative sanction should be imposed on those delinquents who damage information security and information management.

2.4 Other measures to protect information security

Other measures to protect information security mainly consist of policy measures, administrative management measures, legal measures and ethical measures.
As the means of national macro guidance and management of socio-economic activities, policy can determine the direction for the socio-economic development, effectively regulate various relations and contradictions. To formulate and implement information security policy is the key to safeguarding information security. Information security policy is the sum of a series of administrative norms that a country or an organization in a certain period of time sets to deal with the conflicts between the free transmission of information and limited using. Due to the macroscopic and guiding characteristics of the information, the scientific and reasonable information security policy can guide the administrative management concerning information security, direct the legislation and judicature of information security, and also foster the formulation and implementation of the technological and ethical measures of information security. The perfection of system of information security policy can start from three aspects. Firstly, the contents of information policy can be added to the relevant information policies, which can be considered as an emergency measure before formulating the specific information security policies. Even though the specific information security policies are enacted, it can help to expand the publicity and spreading of the information security policies. Secondly, the enactment of the special national security policies is conducive to making corresponding regulations concerning the fully development and sharing of information resources, the building and management of information network, the control of information pollut