Broken Authentication Testing

Test web applications for broken authentication and session management vulnerabilities.

10|5|Updated Jan 29, 2026
One-click install
npx skills add https://github.com/Claude-Code-Community-Ireland/claude-code-resources --skill broken-authentication-testing-claude-code-community-ireland
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: Broken Authentication Testing
Source: https://github.com/Claude-Code-Community-Ireland/claude-code-resources/tree/main/skills/general/Broken%20Authentication%20Testing
Command: npx skills add https://github.com/Claude-Code-Community-Ireland/claude-code-resources --skill broken-authentication-testing-claude-code-community-ireland

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps identify and exploit vulnerabilities in authentication and session management systems, preventing unauthorized access and account takeovers.

Core Features & Use Cases

  • Vulnerability Assessment: Detects weaknesses in password policies, session handling, and multi-factor authentication.
  • Credential Testing: Performs brute-force and credential stuffing attacks to uncover weak credentials.
  • Use Case: A security analyst can use this Skill to systematically test a web application's login mechanism for common authentication flaws before deployment.

Quick Start

Use the Broken Authentication Testing skill to assess the session management security of the target application.

Frequently Asked Questions about Broken Authentication Testing

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

FAQPage Schema
How do I test for broken authentication vulnerabilities in a web application?

To test for broken authentication vulnerabilities, you need to assess password policies, session handling, and multi-factor authentication. This skill systematically detects weaknesses in login mechanisms to prevent unauthorized access and account takeovers.

What is credential stuffing and how does it expose weak session management?

Credential stuffing uses breached credentials to brute-force login pages and expose weak session management. This skill performs these attacks to uncover weak credentials and evaluate how session tokens are handled across the target application.

Can I use this to assess multi-factor authentication and password policies before deployment?

Yes, you can assess multi-factor authentication and password policies before deployment. A security analyst uses this skill to systematically test login mechanisms for common authentication flaws, ensuring session management security is validated.

What's the best way to check for session management weaknesses in web applications?

The best way to check for session management weaknesses is by evaluating session handling and credential management directly. This skill detects vulnerabilities in session tokens and multi-factor setups to identify authentication weaknesses.

Why does my web application's login mechanism allow account takeover?

Your login mechanism allows account takeover due to broken authentication vulnerabilities like weak password policies or poor session handling. Testing for these flaws detects the specific authentication and session management weaknesses causing the exposure.