secure-by-design

Secure by Design — Skill Entry

This SKILL.md is the entrypoint for the Secure by Design skill.

The skill synthesizes the UK Government Secure by Design Principles (10 principles) and the Australian ASD/ACSC Secure by Design Foundations (6 foundations) into structured, machine-readable references that an agent can query to identify, assess, and improve adherence to secure-by-design practices across the software lifecycle.

Normative references (Secure by Design)

1. 00 Principle Index
2. 01 Security Governance
3. 02 Risk-Driven Approach
4. 03 Secure Product Development
5. 04 Supply Chain Security
6. 05 Usable Security Controls
7. 06 Detect and Respond
8. 07 Flexible Architecture
9. 08 Minimize Attack Surface
10. 09 Defense in Depth
11. 10 Continuous Assurance
12. 11 Secure Deprecation

Skill layout

• SKILL.md — this file (skill entrypoint).
• references/ — the Secure by Design normative documents.
• 00-principle-index.md — index of all principle identifiers, categories, source mappings, and cross-references.
• 01 through 11 — one document per synthesized principle area merging UK and AU guidance.

Third-Party Attribution

UK Government Secure by Design Principles

• Copyright: Crown Copyright, UK Government Security Group
• License: Open Government Licence v3.0 (OGL-UK-3.0)
• Source: <https://www.security.gov.uk/policy-and-guidance/secure-by-design/principles/>
• Modifications: Synthesized into structured principle-checklist format with cross-references; merged with Australian guidance into unified principle areas
• Trademark: Use of UK Government content does not imply endorsement

Australian ASD/ACSC Secure by Design Foundations

• Copyright: © Commonwealth of Australia, Australian Signals Directorate
• License: Creative Commons Attribution 4.0 (CC-BY-4.0)
• Source: <https://www.cyber.gov.au/business-government/secure-design/secure-by-design/secure-by-design-foundations>
• Modifications: Synthesized into structured principle-checklist format with cross-references; merged with UK guidance into unified principle areas
• Trademark: Use of ASD/ACSC content does not imply endorsement