1. confidentiality: confidentiality means that network information will not be leaked to unauthorized users, entities or programs, which can prevent unauthorized people from obtaining information.
2. Integrity: Integrity refers to the characteristics of network information or system that cannot be changed without authorization.
3. Availability: Availability refers to the characteristics that legally authorized users can obtain network information or services in time.
4. Non-repudiation: Non-repudiation refers to preventing relevant users of network information systems from denying the characteristics of their activities. For example, through network audit and digital signature, visitors' activities in the network system can be recorded and tracked. Non-repudiation is also called non-repudiation. The purpose of non-repudiation is to prevent participants from denying their actions. This security feature is usually used in electronic contracts, digital signatures, electronic forensics and other applications.
5. Controllability: Controllability means that the responsible subject of the network information system has the ability to manage and control it, and can effectively master and control the system according to the authorization rules, so that managers can effectively control the behavior of the system and the use of information, which is in line with the attributes of the system operation objectives.
6. Authenticity: Authenticity refers to the consistency of cyberspace information with the objective facts of actual physical space and social space.
7. Timeliness: Timeliness means that information, services and systems in cyberspace can meet the time limit.
Compliance: Compliance means that network information, services and systems meet the requirements of laws, regulations, policies, standards and norms.
9. Fairness: Fairness refers to the characteristic requirement that all relevant subjects of the network information system handle related tasks in the same position, and no one is dominant.
10, Reliability: Reliability refers to the characteristics that the network information system can effectively complete the predetermined system functions under the specified conditions and time.
1 1. Survivability: Survivability refers to the security feature that the network information system can provide minimum and necessary service functions and support the continuous operation of the business under the condition of security damage.
12. Privacy: Privacy refers to the security attribute that sensitive information about individuals is not made public, such as personal ID number, address, telephone number, salary income, illness status, social relations, etc.
The importance of network information security;
1, safeguarding national security
The political, economic, military and cultural fields of modern countries are inseparable from computers and networks. Cyber attacks may even lead to violations of national territorial integrity, theft of state secrets and destruction of important infrastructure. Therefore, network security is an important link to ensure national security.
2. Protect personal privacy
Network security is not only related to national security, but also directly related to personal privacy. Personal information and fund transactions are widely used in social networks, e-commerce and other applications. If this information is attacked by criminals, personal property and privacy will be threatened.
3. Promote economic development
With the rapid development of Internet and digital technology, network security has become an important factor to promote economic development. The stability and reliability of network security is very important to ensure the normal operation of e-commerce, finance, logistics and other fields. Strengthening network security helps to enhance trust and promote economic development.
Refer to the above? Baidu encyclopedia-information security