Broken Authentication Testing

Identify and exploit authentication and session management weaknesses in web applications.

4.5k|458|Updated Jun 21, 2025
One-click install
npx skills add https://github.com/zebbern/claude-code-guide --skill broken-authentication-testing
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: Broken Authentication Testing
Source: https://github.com/zebbern/claude-code-guide/tree/main/skills/broken-authentication
Command: npx skills add https://github.com/zebbern/claude-code-guide --skill broken-authentication-testing

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill helps identify authentication and session management weaknesses to prevent account takeover and unauthorized access.

Core Features & Use Cases

  • Authentication mechanism analysis: evaluate password policies, multi-factor authentication (MFA), and session handling across web applications.
  • Vulnerability discovery and testing: perform credential-stuffing, account enumeration checks, and session-token assessments to surface weaknesses.
  • Remediation guidance: provide actionable hardening recommendations and prioritized mitigations for identified flaws.

Quick Start

Run a security assessment against the target application's login and session endpoints and generate a remediation plan.

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 web applications for broken authentication and session management vulnerabilities?

You can test broken authentication by evaluating password policies, session handling, and MFA implementations using tools like Burp Suite and Hydra. This process identifies credential stuffing and account enumeration weaknesses to prevent unauthorized access.

What is broken authentication testing and when do I need to run it?

Broken authentication testing identifies and exploits weaknesses in login mechanisms and session tokens to prevent account takeover. You need to run it during security assessments, code reviews, and penetration testing to evaluate credential management controls across web applications.

How do I perform credential stuffing and account enumeration checks during a security assessment?

Perform credential stuffing and account enumeration by targeting login endpoints with automated tools like Hydra and wordlists. This evaluates the application's password policies and session handling to surface authentication vulnerabilities and generate prioritized remediation recommendations.

Does broken authentication testing work with Burp Suite and Hydra for session token assessment?

Yes, broken authentication testing works with Burp Suite and Hydra to assess session tokens and perform credential stuffing. It requires knowledge of HTTP, cookies, and common authentication frameworks to evaluate session handling and MFA implementations effectively.

What are the limitations of broken authentication testing for web application security assessments?

Broken authentication testing is limited by its requirement for prior knowledge of HTTP, cookies, and authentication frameworks. It focuses strictly on evaluating login mechanisms, session handling, and MFA implementations, outputting an assessment report rather than automatically patching the identified flaws.