The security of wireless LANs has been a source of concern for businesses and individuals who are aware of its advantages due to its flexibility. With the increase in the use of wireless LANs for enterprises and homes, where information assets are shared continually, security is of the essence. With the increase in e-commerce and e-services, there is the risk of identity and credit card theft. Encryption is seen as a major tool in the line of defense of wireless LANs. This article discusses the various security protocols used in wireless LANs and how effective they are in keeping wireless LANs secure. The risks of using these protocols are outlined and recommendations for securing wireless LANs are reviewed.