What is the most important concept in security and architecture design?

The important concept of security architecture are as follows:

Relationships and Dependencies : It Signifies the relationship between the various components inside the IT architecture. Form : It is associated with the IT architecture and can take a variety of forms. Benefits : The advantages of the security architecture is the standardization, which makes it cheap and affordable, and can be re used. Drivers: Security controls are determined by the following factors : Financial Legal and regulatory Risk management Benchmarking and good practice