Wireless LAN networks are becoming mainstream. With the deployment of wireless network access in the workplace, the requirement for a more enhanced security design emerges. Wireless technology offers a more accessible means of connectivity. However, security issues are impeding further adoption of technology by end-users. In particular, the two issues limiting wider acceptance are authentication and encryption.This paper aims to provide basic background information about the wireless LAN security problems, discuss and investigate associated solutions, and identify some unsolved related challenges.