spoofing

Analyze source code for identity spoofing threats mapped to STRIDE category S.

12|1|Updated Feb 9, 2026
One-click install
npx skills add https://github.com/florianbuetow/claude-code --skill spoofing
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: spoofing
Source: https://github.com/florianbuetow/claude-code/tree/main/plugins/appsec/skills/spoofing
Command: npx skills add https://github.com/florianbuetow/claude-code --skill spoofing

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill identifies vulnerabilities in source code that could allow attackers to impersonate legitimate users or system components, safeguarding against identity spoofing threats.

Core Features & Use Cases

  • Authentication Vulnerability Analysis: Detects issues like plaintext credentials, weak hashing, and missing authentication checks.
  • Session Security: Analyzes for session fixation risks and proper cookie attribute usage.
  • Use Case: A developer can use this skill to audit their authentication middleware and identify potential weaknesses before they are exploited.

Quick Start

Analyze the current project for spoofing vulnerabilities.

Frequently Asked Questions about spoofing

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

FAQPage Schema
How do I scan source code for identity spoofing vulnerabilities?

To detect identity spoofing vulnerabilities, you can analyze your source code to identify authentication risks, plaintext credentials, weak hashing, and session fixation issues mapped to the STRIDE category S.

What are common identity spoofing risks in authentication middleware?

Common identity spoofing risks in authentication middleware include missing authentication checks, plaintext credential storage, weak hashing algorithms, and improper certificate validation.

How does code analysis detect session fixation vulnerabilities?

Code analysis detects session fixation vulnerabilities by examining session handling mechanisms and evaluating proper cookie attribute usage to prevent attackers from impersonating legitimate users.

Can I audit token validation and credential management within my current project?

Yes, you can audit token validation and credential management by analyzing your current project's source code to identify improper certificate validation and plaintext credentials before they are exploited.

What is the STRIDE category S in software security analysis?

The STRIDE category S refers to Spoofing, a security threat modeling classification targeting vulnerabilities that allow attackers to impersonate legitimate users or system components through compromised authentication.

Are there limitations to automated authentication vulnerability analysis?

Automated authentication vulnerability analysis requires source code access to detect patterns like missing middleware or weak hashing, meaning it cannot identify configuration issues or runtime environment spoofing risks.