Effective security design must balance technological advances with operational realities, organizational priorities, and human behavior. This holistic approach ensures the system is usable, sustainable, and aligned with company goals.
A (Adversary diagrams) and B (Threats and likelihood) are analytical tools, not integration principles.
D omits the critical “human element,” which affects usability and compliance.
[References:, PSP Study Guide – Security Design Principles, POA Manual – Integrated Security Planning and Human Factors, ]
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