Destined to be a classic work on the topic, "Enterprise Security Architecture" fills a real void in the knowledge base of our industry. In a comprehensive, detailed treatment, Sherwood, Clark and Lynas rightly emphasize the business approach and show how Security is too important to be left in the hands of just one department or employee - it's a concern of an entire enterprise. "Enterprise Security Architecture" shows that having a comprehensive plan requires more than the purchase of security software - it requires a framework for developing and maintaining a system that is proactive.