Enterprise Architecture (EA) is a way of organizing the operations and structure of a business. Nonetheless, if you are interested in either Information Architecture or Enterprise Architecture, this is the place to start. Enterprise Information Security Architecture is a set of requirements, processes, principles, and models that determine the current And/or future structure and behaviour of an organization’s security processes, information security systems, personnel, and organizational sub-units. I give a quick definition of EIA in “What is Architecture… Enterprise Information Security Architecture (EISA) is the process of instituting a complete information security solution to the architecture of an enterprise, ensuring the security of business information at every point in the architecture.In other words, it is the enterprise … The EIA is comprised of 3 “sub-architectures”, namely, the: “Business Architecture… It's an easy concept to define, but more difficult to implement effectively. It ensures that the security architecture … The Enterprise Information Architecture (EIA) is the vehicle which provides the “roadmap” to the “architected” environment. Stop what you are doing and read this book. Definition: Enterprise Information Security Architecture (EISA) is the process of instituting a complete information security solution to the architecture of an enterprise, ensuring the security of business information at every point in the architecture…