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NIST 800-171 R-3.13.2

Use Secure Engineering Principles

Official citation: 3.13.2

Class: core · Severity: medium

Statement of the obligation — verify against source

3.13.2

What it means

Apply architectural designs, secure software-development techniques, and systems-engineering principles that build effective security into your systems rather than bolting it on later. Security-by-design reduces vulnerabilities across the entire life cycle.

Educational reference only — not legal advice. Consult a qualified assessor or attorney for binding compliance determinations.