Stride analysis patterns

Skill wshobson/agents/plugins/security-scanning/skills/stride-analysis-patterns

Multi-harness agentic plugin marketplace for Claude Code, Codex CLI, Cursor, OpenCode, GitHub Copilot, and Gemini CLI

Install

npx -y skills add wshobson/agents --skill stride-analysis-patterns

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What its author says it does

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Apply STRIDE methodology to systematically identify threats. Use when analyzing system security, conducting threat modeling sessions, or creating security documentation.

SKILL.md

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STRIDE Analysis Patterns

Systematic threat identification using the STRIDE methodology.

When to Use This Skill

Starting new threat modeling sessions
Analyzing existing system architecture
Reviewing security design decisions
Creating threat documentation
Training teams on threat identification
Compliance and audit preparation

Core Concepts

1. STRIDE Categories

S - Spoofing       → Authentication threats
T - Tampering      → Integrity threats
R - Repudiation    → Non-repudiation threats
I - Information    → Confidentiality threats
    Disclosure
D - Denial of      → Availability threats
    Service
E - Elevation of   → Authorization threats
    Privilege

2. Threat Analysis Matrix

Category	Question	Control Family
Spoofing	Can attacker pretend to be someone else?	Authentication
Tampering	Can attacker modify data in transit/rest?	Integrity
Repudiation	Can attacker deny actions?	Logging/Audit
Info Disclosure	Can attacker access unauthorized data?	Encryption
DoS	Can attacker disrupt availability?	Rate limiting
Elevation	Can attacker gain higher privileges?	Authorization

Templates and detailed worked examples

Full template library lives in references/details.md. Read that file when you need concrete templates for this skill.

Best Practices

Do's

Involve stakeholders - Security, dev, and ops perspectives
Be systematic - Cover all STRIDE categories
Prioritize realistically - Focus on high-impact threats
Update regularly - Threat models are living documents
Use visual aids - DFDs help communication

Don'ts

Don't skip categories - Each reveals different threats
Don't assume security - Question every component
Don't work in isolation - Collaborative modeling is better
Don't ignore low-probability - High-impact threats matter
Don't stop at identification - Follow through with mitigations