YiSu Grain
Jul 28, 2026 · Information Security
Security Architecture: Answer These Three Core Questions Before Picking Tools
Using an internet‑hospital example, the article explains that a solid security architecture must first identify what assets to protect (CIA), then define who can do what (AAA, least‑privilege and separation of duties), and finally plan how to respond when a defense line fails with zones, defense‑in‑depth, zero‑trust and the WPDRRC process.
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