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auditing-code-for-vulnerabilities

Audit source code for exploitable vulnerabilities using threat-model-driven review, taint tracing, invariant checking, and variant analysis. Use when reviewing a codebase or diff for security bugs, performing a security audit, hunting for vulnerabilities in a target's source, or validating whether a suspected finding is real.

secskills-core/skills/auditing-code-for-vulnerabilities/SKILL.md

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# Auditing Code for Vulnerabilities

Finding real bugs in source code is a different job from running a scanner. A
scanner matches patterns; an auditor builds a model of what the code is
*supposed* to guarantee and then hunts for the paths where that guarantee
breaks. This skill is the methodology for the second job.

## When to Use

- Auditing a repository, service, or library for security defects
- Reviewing a diff, branch, or pull request for introduced vulnerabilities
- Hunting for a specific bug class across a large codebase
- Validating whether a scanner finding or a reported vulnerability is real
- Building an audit plan and coverage report for a client engagement