Review Paper On Security issues in Wireless LAN

---------------------------------------------ABSTRACT---------------------------------------------Wireless LAN is the most commonly used everywhere nowadays. Wireless LAN is commonly used only because it is easy to use and maintain. We can access it easily ad work effectively with it. But because of higher availability of wireless LAN means its increased attacks, errors and challenges for any organization. In this paper we will discuss about various security issues and threats. In order to study about various security threats this paper will examine about the various attacks such as DOS attack, session hijacking, man-in-middle etc. attacks. This will also explain various securities like confidentiality, availability and access controls. This will help to humans to understand that how actually it is.