Technical Security Architecture
Technical security architecture focuses on the mapping between the control architecture and the protection processes, life cycle issues, and contextual drivers, It typically defines standards for protection settings that can be implemented by technical mechanisms and identifies what is commonly called technical security policy, as opposed to enterprise policy. The interaction between other elements is the prime focus of technical security architecture but it commonly encompasses the elements of context more than any other area. These are the who, what, where, why, when, and how of the protection function. Here are some typical questions that need to be addressed.
The context of use is intimately tied to protection in all forms, whether it be location limiting access or method limiting behavior, these factors play into the technical measures taken and their ability to operate effectively.
For more details and in-depth coverage of these issues, download and read "Enterprise Information Protection"