Lisa Phifer owns Core Competence Inc., a consulting firm specializing in network security and management technology. Phifer has been involved in the design, implementation, and evaluation of networking, security, and management products for over 20 years. At Core Competence, she has advised companies large and small regarding security needs, product assessment, and use of emerging technologies and best practices. Before joining Core Competence, Phifer was a Member of Technical Staff at Bell Communications Research, where she won a president's award for her work on ATM Network Management. Phifer teaches about wireless LANs, mobile security, and VPNs at many industry conferences and webinars. She has written extensively about network infrastructure and security technologies for numerous publications, including Wi-Fi Planet, ISP-Planet, Business Communications Review, Information Security, and SearchSecurity. Phifer's monthly WLAN Advisor column is published by searchMobileComputing.