# Secure By Design

> Apply Secure by Design, by Default, and in Deployment (SD3) principles. Use when reviewing default configurations, setup processes, update mechanisms, or evaluating whether a system fails open or closed.

## Facts
- Page: https://tashan.sh/capability/skill-redhatproductsecurity-secure-by-design
- tashan id: skill:RedHatProductSecurity/secure-by-design
- Source: https://github.com/RedHatProductSecurity/prodsec-skills
- Type: skill
- Category: design
- tashan score: not scored (catalogued only — too little public evidence)
- Adoption: 9.0
- Upkeep: 95.0
- Freshness: 90.0
- Evidence coverage: 84% of the inputs this score can use
- Health: active
- Instruction depth: not yet graded
- License: Apache-2.0
- Official: no

## Install

```sh
cp -r secure-by-design ~/.claude/skills/
```

## Security audit
Not scanned. We audit npm-published capabilities; this one has no npm package we can resolve, or has not reached the queue. This is not a clean bill of health.

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Measured 2026-08-14 by tashan (https://tashan.sh) from public evidence. Scorer s5.