threat-modeling

Apply the STRIDE framework to data-flow models and trust boundaries.

25|3|Updated Jul 14, 2026
One-click install
npx skills add https://github.com/nimadorostkar/Claude-Skills-collection --skill threat-modeling-nimadorostkar
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: threat-modeling
Source: https://github.com/nimadorostkar/Claude-Skills-collection/tree/main/skills/security/threat-modeling
Command: npx skills add https://github.com/nimadorostkar/Claude-Skills-collection --skill threat-modeling-nimadorostkar

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill addresses the high cost of security vulnerabilities discovered post-launch by enabling systematic identification and mitigation of threats during the design phase.

Core Features & Use Cases

  • STRIDE Analysis: Applies the industry-standard STRIDE framework to identify spoofing, tampering, repudiation, information disclosure, denial of service, and elevation of privilege.
  • Risk Assessment: Provides a structured method to rank threats by likelihood and impact, ensuring resources are focused on the most critical vulnerabilities.
  • Use Case: Use this skill when architecting a new microservice or integrating a third-party API to ensure trust boundaries are defined and potential attack vectors are mitigated before a single line of code is written.

Quick Start

Use the threat-modeling skill to analyze the data flow and identify potential security vulnerabilities in the proposed architecture for the new user authentication service.

Frequently Asked Questions about threat-modeling

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

FAQPage Schema
How do I identify security vulnerabilities in a software architecture before coding?

To identify security vulnerabilities in a software architecture, apply the STRIDE framework to your data-flow models and trust boundaries. This process systematically uncovers spoofing, tampering, repudiation, information disclosure, denial of service, and elevation of privilege risks during the design phase.

What is STRIDE threat modeling for API integrations?

STRIDE threat modeling for API integrations is a structured method that analyzes data flows across trust boundaries to find security threats. It categorizes risks into spoofing, tampering, repudiation, information disclosure, denial of service, and elevation of privilege to ensure secure third-party API connections.

When do I need to perform a security risk assessment for microservices?

You need to perform a security risk assessment for microservices when architecting new systems or defining multi-tenant environments. Applying threat modeling early ensures trust boundaries are established and potential attack vectors are mitigated before writing any code.

How do I rank security threats by likelihood and impact during system design?

Rank security threats by likelihood and impact during system design by applying a structured risk assessment to your data-flow models. This method prioritizes mitigation planning, ensuring development resources focus on the most critical vulnerabilities identified through the STRIDE framework.

What information is required to generate actionable threat modeling findings?

Generating actionable threat modeling findings requires a clear description of system components, data stores, and trust boundaries. Providing these architectural details allows the analysis to accurately map data flows and identify potential security vulnerabilities in the design.

Does threat modeling work for multi-tenant environments and third-party APIs?

Yes, threat modeling works for multi-tenant environments and third-party APIs by analyzing data flows across defined trust boundaries. It applies the STRIDE framework to systematically identify and mitigate potential attack vectors specific to these complex software architectures.