Research on distributed network security situation awareness and emergency response technology

With the rapid development and popularization of the Internet, network security issues have become increasingly prominent. Various security loopholes in the Internet and the continuous development of illegal Internet products have posed a great threat to the country's economy, politics, society, and military. Therefore, in order to ensure the security of the country and people, network security protection and governance must be strengthened.

Distributed network security situational awareness is one of the important means to achieve network security. It is a security situation awareness technology based on data integration and comprehensive analysis technology. It can accurately and real-time monitor and identify security events in the network, providing strong support for network security protection. As traditional network security protection technologies cannot meet today's increasingly complex network security situation, distributed network security situational awareness technology has become an indispensable and important component of network security protection.

Distributed network security situation awareness technology includes processes such as data collection, data preprocessing, data mining and security situation analysis. First, it is necessary to obtain data information in the network, including traffic, operating system information, software information, etc. This data is usually obtained through sensors and collection devices in the network. Secondly, the obtained data needs to be preprocessed, such as data cleaning, aggregation, etc., to reduce false positives and false negatives as much as possible. Then, the preprocessed data is identified, filtered, and mined to extract important information and regular features about network security. Finally, compare and analyze the mined information and network security protection strategies to evaluate the security threats and risks in the network, and propose corresponding emergency response measures.

In distributed network security situational awareness technology, network security status and threat information need to be sent accurately and timely to network administrators and security personnel so that they can detect and handle various security events in a timely manner. Therefore, the stability and performance of the network security event processing platform in distributed network security situational awareness technology are also crucial. In addition, when using distributed network security situational awareness technology for network security situational awareness, issues such as security, privacy and data protection must also be considered. Based on this, the adaptability and feasibility of various network security threats and attacks must be developed. Extensible security situation awareness and emergency response technology have also become research focuses.

With the continuous development and application of new generation information technologies such as mobile Internet, Internet of Things, and cloud computing, network security threats have become more complex and diverse, and network security assurance work will face increasing challenges. . To this end, it is necessary to continuously improve and improve the performance and effectiveness of distributed network security situational awareness technology, and further optimize the distributed network security governance system to ensure the network security of the country and people. In addition, it is also necessary to use technologies and methods in other fields, such as artificial intelligence, cloud computing, big data, etc., to integrate multiple technical resources and conduct comprehensive applications to build a more secure and efficient network security governance framework.

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