The Blueprint — Building Security In From the Start

A gentle, non-technical guide to the plainest idea in security architecture: build security IN when you design, choose, or set something up — don't bolt it on afterwards. Ask the security questions as you design, start safe by default, design for when it goes wrong, and keep it simple.

What you'll learn

• See that security is cheapest and strongest built in at design time, and catch the moments to include it (setup, choice, change).
• Ask the four plain security questions as you design, and start things safe by default — locked and minimal, opening up only on real need.
• Design for when it goes wrong (a way back, limited spread, a plan for the bad day), and keep the design simple enough to secure.
• See through 'we'll secure it later' (the deferral) and 'it's just a small thing' (the exception) — building it in whatever the size.

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