web-security-hardening

Audit web applications against a security hardening checklist.

1|1|Updated Feb 21, 2026
One-click install
npx skills add https://github.com/dtsong/claude-code-windows-setup --skill web-security-hardening
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: web-security-hardening
Source: https://github.com/dtsong/claude-code-windows-setup/tree/main/skills/web-security-hardening
Command: npx skills add https://github.com/dtsong/claude-code-windows-setup --skill web-security-hardening

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill addresses the critical need to identify and mitigate common security vulnerabilities in web applications, ensuring a robust security posture.

Core Features & Use Cases

  • Comprehensive Checklist: Covers essential security areas like rate limiting, authentication, input validation, and secure data handling.
  • Framework Agnostic: Provides general principles applicable across various web frameworks (Node.js, Python, etc.).
  • Use Case: When developing a new API endpoint or reviewing an existing web application, use this Skill to systematically check for and address potential security weaknesses before deployment.

Quick Start

Run a security audit on the web application by following the checklist provided.

Frequently Asked Questions about web-security-hardening

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

FAQPage Schema
How do I perform a web application security audit before deployment?

Perform a web application security audit by running through a comprehensive hardening checklist covering rate limiting, authorization headers, CORS, input validation, file uploads, ORM usage, and password hashing to identify and mitigate common vulnerabilities.

What is web application hardening and what vulnerabilities does it address?

Web application hardening is the process of securing a web application by mitigating common vulnerabilities. It addresses rate limiting, authorization headers, IP blocking, CORS, input validation, file uploads, ORM usage, and password hashing to ensure a robust security posture.

Does this security checklist work with Node.js and Python web frameworks?

Yes, this security checklist is framework agnostic. It provides general hardening principles applicable across various web frameworks including Node.js and Python, allowing you to systematically check for security weaknesses during API development.

How do I configure CORS and input validation for API security?

To configure CORS and input validation for API security, follow a systematic hardening checklist that verifies cross-origin resource sharing policies and validates incoming data. This prevents unauthorized access and injection attacks during vulnerability assessments.

What are the best practices for password hashing and file upload security?

Best practices for password hashing and file upload security involve systematically checking your application against a hardening checklist. This ensures secure data handling by verifying that password storage mechanisms and file upload processes mitigate common vulnerabilities.

When do I need to check rate limiting and IP blocking for vulnerability assessments?

You need to check rate limiting and IP blocking during vulnerability assessments when developing a new API endpoint or reviewing an existing web application. This hardening process prevents brute force attacks and secures your application before deployment.