Enterprise security design or archtecture is challenging which requires foucsing on information security throughout the enterprise. Enterprise Security Architecture provides the followking goals:
Provide structure, coherence and cohesiveness.
Must enable business-to-security alignment.
Defined top-down beginning with business strategy.
Ensure that all models and implementations can be traced back to the business strategy, specific business requirements and key principles.
Provide abstraction so that complicating factors, such as geography and technology religion, can be removed and reinstated at different levels of detail only when required.
Establish a common "language" for information security within the organization
Cyber Experts utilizes various frameworks or methodologies. Som Examples are SABSA, TOGAF, Zachman