Claude Code - Anthropic's terminal-based coding assistant - has become a secret weapon in DNA's security audit arsenal. Its ability to understand large codebases, analyze cross-file dependencies, and reason about security implications makes it an extremely effective audit tool.
Automated Code Review with Claude Code
DNA uses Claude Code to perform the first pass in code review. The tool scans the entire codebase, identifies potential vulnerabilities, and creates a detailed report with severity ratings. Experts then review findings and deep-dive into critical issues.
- SQL Injection: Detects both parameterized query bypasses and ORM misuse
- Authentication flaws: Identifies JWT issues, session management bugs, OAuth misconfigurations
- Insecure deserialization: Finds unsafe deserialization patterns in Java, Python, PHP
- Access control: Analyzes authorization logic across entire codebase
Vulnerability Detection Patterns
# Using Claude Code for security audit
# Example: Finding SSRF vulnerabilities
$ claude "Analyze src/ directory for SSRF
vulnerabilities. Check all HTTP client
calls, URL construction, and redirect
handling. Flag any user-controlled URLs
passed to internal HTTP clients."
# Claude Code output:
# Found 3 potential SSRF vectors:
# 1. src/api/webhook.py:45 - User URL
# passed directly to requests.get()
# 2. src/services/pdf.py:112 - URL from
# user input used in headless browser
# 3. src/utils/proxy.py:78 - Redirect
# following without domain validation
PoC Exploit Generation
After discovering a vulnerability, DNA uses Claude Code to create PoC exploits. The tool understands the full context of the vulnerability - from tech stack, framework version, to server configuration - and generates precise exploit code for each specific case.
Integration into DNA's Audit Workflow
Claude Code is integrated into 3 phases of DNA's audit workflow: Pre-audit (automated code scanning), During audit (interactive vulnerability exploration), and Post-audit (report generation and remediation guidance).
info Claude Code helps DNA reduce code review time by 60% without compromising quality. Every finding is still manually verified by experts before inclusion in reports.
Claude Code doesn't just find bugs - it understands why the code is vulnerable and suggests fixes that fit the application's current architecture.