Ed is a 30-year-plus veteran of the computing industry, who has worked as a programmer, a technical manager, a classroom instructor, a network consultant and a technical evangelist for companies that include Burroughs, Schlumberger, Novell, IBM/Tivoli and NetQoS. He has written and blogged for numerous publications, including Tom’s Hardware, and is the author of over 140 computing books with a special emphasis on information security, Web markup languages and development tools, and Windows operating systems.