Abstract
With the continuous improvement of China's scientific and technological level, computer network has become an indispensable part of people's daily life. It can not only effectively improve the efficiency of production and life, and shorten the distance between people, but also further promote the speed of China's social and economic development, which has a positive impact on the realization of China's modernization. Under the new information security demand environment at present, we should pay attention to the related information security work and formulate effective security measures and strategies. In order to effectively prevent these information security problems, people should actively adopt firewall technology, encryption technology, network access control technology and network virus prevention technology for effective protection. This paper analyzes the security problems in the application of wireless sensor networks and explores the mechanism of defending information security, hoping to strengthen the security and stability of wireless sensor networks through effective measures, so that people can better enjoy the convenience brought by the network age.
1. INTRODUCTION
With the rapid development and maturity of microelectronic technology, computer technology and wireless communication technology, wireless sensor network has been gradually applied to military, environmental monitoring and other fields, and has gradually entered the practical stage [1]. This kind of micro sensor network with computing and communication capabilities is a multi hop self-organizing network formed by a large number of cheap micro sensor nodes through wireless communication, which can complete the data collection, transmission and fusion of various monitoring objects in the deployment area in a cooperative way [2]. Wireless sensor network is a new technology with the development of sensor technology, computer technology, wireless communication technology and distributed information processing technology in recent years [3]. The application environment of wireless sensor network is usually complex, especially in the military field. How to ensure the security of wireless sensor network is the basis of its application [4]. Wireless sensor network is a large-scale self-organizing network, through a large number of low-cost, resource constrained sensor nodes to work together to achieve a specific task [5]. In the information age, it is very important and critical to effectively prevent information security, and it has also become an important research topic in the development of computer network technology [6]. Wireless sensor network (WSN) is a new information acquisition and processing technology. Since it usually operates on its own and does not require personnel to perform duties, the security of wireless sensor network has a great threat [7].
