Barry Lewis is a Partner in 50MSC, a firm specializing in the delivery of information security training and consulting. He has over 35 years of experience in the computer field, and has spent the last 25 years specializing in Information Security. He began work in the consulting field in 1987 and worked for two major audit firms before starting his own company in 1991 and joining the 50MSC partnership in 2003.
 
     He is co-author of several books, including Computer Security for Dummies, Teach Yourself NT Server in 21 Days and Teach Yourself Windows 2000 Server in 21 Days. His newest book, Wireless Networks for Dummies, was released September 2004. His books have been translated into more than a half-dozen languages around the world. Barry lectures and consults world-wide on numerous security topics, including Windows, wireless networking, security best practices, network penetration and Firewalls.