# Create Source Code by Adhering to Secure Coding Practices (PW.5)_create-source-code-by-adhering-to-secure-coding-practic

> Decrease the number of security vulnerabilities in the software, and reduce costs by minimizing vulnerabilities introduced during source code creation

- Skill: `cyberstrikeus/create-source-code-by-adhering-to-secure-coding-practices-pw` (Agent Skill)
- Install (CLI): `npx skillmds@latest add cyberstrikeus/create-source-code-by-adhering-to-secure-coding-practices-pw`
- Raw SKILL.md: https://api.skillmd.com/api/skills/cyberstrikeus/create-source-code-by-adhering-to-secure-coding-practices-pw/raw
- Safety review: PASS (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Security
- Author: cyberstrikeus (https://skillmd.com/u/cyberstrikeus)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/cyberstrikeus/create-source-code-by-adhering-to-secure-coding-practices-pw

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# Create Source Code by Adhering to Secure Coding Practices (PW.5) Create Source Code by Adhering to Secure Coding Practices

## High-Level Description

**Practice Group:** Produce Well-Secured Software (PW)
**Framework:** NIST SP 800-218 SSDF v1.1

Decrease the number of security vulnerabilities in the software, and reduce costs by minimizing vulnerabilities introduced during source code creation that meet or exceed organization-defined vulnerability severity criteria.

## What to Check

- [ ] Verify Create Source Code by Adhering to Secure Coding Practices (PW.5) Create Source Code by Adhering to Secure Coding Practices is integrated into SDLC
- [ ] Review CI/CD pipeline for Create Source Code by Adhering to Secure Coding Practices (PW.5) implementation
- [ ] Confirm automated tooling supports this practice

## How to Test

### Step 1: Review SDLC Documentation

Examine development lifecycle documentation for evidence of Create Source Code by Adhering to Secure Coding Practices (PW.5) practice implementation.

### Step 2: Verify Tooling

```
# Check CI/CD pipeline configuration
# Verify security tools are integrated

# Example: Check for SAST/DAST in pipeline
grep -r "security\|scan\|sast\|dast" .github/workflows/ 2>/dev/null
grep -r "security\|scan" Jenkinsfile 2>/dev/null
```

### Step 3: Assess Developer Awareness

Verify development team understands and follows Create Source Code by Adhering to Secure Coding Practices (PW.5) Create Source Code by Adhering to Secure Coding Practices practice.

## Tools

| Tool                | Purpose                            | Usage                        |
| ------------------- | ---------------------------------- | ---------------------------- |
| github-security-mcp | Check repository security settings | `github_security_*` tools    |
| Manual Review       | SDLC process review                | Documentation and interviews |

## Remediation Guide

Implement Create Source Code by Adhering to Secure Coding Practices (PW.5) Create Source Code by Adhering to Secure Coding Practices in the software development lifecycle:

Decrease the number of security vulnerabilities in the software, and reduce costs by minimizing vulnerabilities introduced during source code creation that meet or exceed organization-defined vulnerability severity criteria.

## Risk Assessment

| Finding                                                                                                                                    | Severity | Impact                                             |
| ------------------------------------------------------------------------------------------------------------------------------------------ | -------- | -------------------------------------------------- |
| Create Source Code by Adhering to Secure Coding Practices (PW.5) Create Source Code by Adhering to Secure Coding Practices not implemented | Medium   | Secure Development - Produce Well-Secured Software |

## CWE Categories

| CWE ID | Title                     |
| ------ | ------------------------- |
| CWE-20 | Improper Input Validation |

## References

- [NIST SP 800-218 SSDF v1.1](https://csrc.nist.gov/pubs/sp/800/218/final)
- [NIST SSDF Practices](https://csrc.nist.gov/projects/ssdf)
- [NIST OSCAL Content](https://github.com/usnistgov/oscal-content)

## Checklist

- [ ] Practice documented in SDLC policy
- [ ] Tooling configured and operational
- [ ] Development team trained
- [ ] Evidence of consistent application
- [ ] Periodic review scheduled