Based on the headlines a while back, the title of this talk is something of an oxymoron. The common observer would be led to believe that wireless networks were an open invitation to any evil element from around the world. This was one of the few brakes on the otherwise explosive growth of wireless LANs in corporate environments. But what is the truth here? How serious a problem is security for an 802.11-based network? This paper will explore the options available to secure wireless LANs and weigh the strengths and weaknesses of each.