security

Enforce secure coding practices and identify OWASP Top 10 vulnerabilities.

Updated Jan 22, 2026
One-click install
npx skills add https://github.com/dtbuchholz/claude-config --skill security-dtbuchholz
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: security
Source: https://github.com/dtbuchholz/claude-config/tree/main/skills/security
Command: npx skills add https://github.com/dtbuchholz/claude-config --skill security-dtbuchholz

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps developers write secure code by providing guidance on common vulnerabilities, secure coding practices, and best practices for handling sensitive data and input validation.

Core Features & Use Cases

  • Vulnerability Prevention: Covers OWASP Top 10 patterns to prevent common security flaws like injection, broken authentication, and XSS.
  • Secure Defaults: Emphasizes principles like "never trust user input" and "defense in depth."
  • Secrets Management: Guides on securely handling API keys, passwords, and other secrets.
  • Input Validation: Provides strategies for validating data at multiple layers.
  • Use Case: When implementing a new user registration feature, use this Skill to ensure password hashing, input validation, and secure session management are correctly implemented.

Quick Start

Apply secure coding practices to the provided code snippet for handling user authentication.

Frequently Asked Questions about security

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I prevent injection flaws and XSS when writing web application code?

To prevent injection flaws and XSS, apply secure coding practices like strict input validation and adherence to OWASP Top 10 patterns. This enforces defense in depth by never trusting user input across application layers.

What is the best way to manage secrets like API keys and passwords in source code?

The best way to manage secrets is to follow dedicated secrets management practices that securely handle API keys and passwords. This prevents sensitive data exposure by ensuring credentials are never hardcoded and are accessed securely.

How do I implement secure user authentication and session management?

Implement secure user authentication by enforcing input validation, proper password hashing, and secure session management. This prevents broken authentication vulnerabilities by applying secure defaults and least privilege principles.

Does this secure coding guidance cover misconfigurations and sensitive data exposure?

Yes, this secure coding guidance covers misconfigurations and sensitive data exposure based on the OWASP Top 10. It enforces secure defaults and least privilege to identify vulnerabilities across various application layers.

Why does input validation need to be applied at multiple layers?

Input validation needs to be applied at multiple layers to maintain defense in depth against vulnerabilities. This secure coding practice ensures that even if one layer is bypassed, subsequent layers prevent malicious data from causing injection flaws.