Secure by Design
Definition
Security by Design considers security already during the design phase.
A development principle where security requirements shape architecture, implementation, and operation from the very beginning.
Simply explained
Protection is built in from the start, rather than being added as an afterthought after completion.
Why it matters in practice
The term contributes to secure, maintainable, and high-performance web applications as well as resilient technical decisions.
Example from business
A portal uses minimal privileges, secure defaults, threat modeling, and automatic checks already in the design phase.
Limits and pitfalls
- Adding security only before release or confusing "secure by default" with "secure by design."
Origin & history
The principle evolved from security engineering and was concretized by government guidelines.
Use in mid-sized companies
- Possible example: A portal uses minimal privileges, secure defaults, threat modeling, and automatic checks already in the design phase.
Frequently asked questions
What does Security by Design mean?
A development principle where security requirements shape architecture, implementation, and operation from the very beginning. What mistakes should be avoided? Adding security only before release or confusing "secure by default" with "secure by design."
Sources
Source checked on 10.10.2026. Editorial application examples are hypothetical; no evidence of real customer results.
Editorially reviewed on: