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.The book is based around the SABSA layered framework.It provides a structured approach to the steps and processes involved in developing security architectures.It also considers how some of the major business issues likely to be encountered can be resolved.