Abstract
The wireless communication technology gaining importance in extreme conditions in a very effective way due to its benefits. Compared to wired networks, wireless networks have many benefits in terms of flexibility, cost, and mobility. Wireless networks can be easily hacked by the outsiders if there is no proper security. Because of its increasing popularity, wireless networks need proper security measures in addition to the normal protections such as firewalls, virus detectors, etc. Providing the required additional security to the wireless networks is a challenging task. Security can be maintained by providing data authenticity, integrity confidentiality, and authorization. A survey on the security of wireless networks is put forward that discusses various techniques which help in protecting the network and a cryptic secure scheme has been proposed which helps to enhance the security standards in the wireless medium.
Highlights
Wireless networks are the flexible data communication systems that use wireless media such as radio frequency technology to communicate with computers and other network devices over the air
Data should be exchanged only between genuine users, due to the broadcasting character of the wireless networks the data is exposed to many threats. so it is very important to protect the network against attacks such as DOS attack, eavesdropping, etc
It is necessary to protect the data with the help of proper security measures
Summary
Wireless networks are the flexible data communication systems that use wireless media such as radio frequency technology to communicate with computers and other network devices over the air. Sometimes these networks are called as WLAN or WIFI. Wired networks fail to provide flexibility and scalability. Disadvantages of wireless technology include additional security and the interruptions in the radio signals (due to bad weather, other wireless devices or obstructions like a wall). With the help of additional security measures such as authentication, trust-based routing, and other schemes; we can have protected data communication. Authentication of nodes in a wireless network is very important due to its openness to various security threats. The architecture of simple wireless networks is shown in fig 1
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