It is essential as a security expert to be able to evaluate potential risks within the security infrastructure in order to position security controls/countermeasures.
Create an overall security architecture structure diagram with descriptions of the architecture components making sure to:
Identify all types of data and sensitive data the organization will store.
Define where that information is stored.
Record all hardware and software devices in your network.
Describe how the security controls are positioned and how they relate to the overall systems architecture.
Define security attacks, mechanisms, and services, and the relationships between these categories.
Specify when and where to apply security controls.
Present in-depth security control specifications.
Address restricting access, layering security, employing authentication, encrypting storage, automating security, and IT infrastructure.
Include the full scope of policy, procedural, and technical responsibilities.