
Audit large-scale AI codebases (10,000+ lines)
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What you get with this Offer
This Offer covers an initial 10,000 lines. For larger codebases (e.g., 63,000+ lines), add the relevant line add-ons below. Each add-on extends delivery time accordingly.
Research shows 45% of AI-generated code contains vulnerabilities – and the risks multiply with scale. Claude, ChatGPT, and other AI models frequently generate 63,000+ line projects requiring specialised, systematic auditing.
WHAT I CHECK FOR:
- Authentication & Authorisation: Weak passwords, missing 2FA, broken access controls, privilege escalation
- Input Validation: SQL injection, XSS, command injection, file upload vulnerabilities
- API Security: Missing rate limiting, insecure endpoints, exposed secrets, broken object-level authorisation
- Database Security: SQL injection, insecure queries, exposed credentials, missing encryption
- Session Management: Insecure cookies, session fixation, missing timeout
- Error Handling: Information leakage, stack traces exposed to users
- Third-Party Dependencies: Outdated libraries, known CVEs, vulnerable packages
- Configuration & Secrets: Hardcoded credentials, exposed environment variables, insecure defaults
- Infrastructure: Open ports, weak firewall rules, insecure deployment configs
- Business Logic: Flaws in workflows, bypassable checks, logic errors
- Logging & Monitoring: Missing logs, insecure storage, lack of alerts
- Architecture Review: Scalability issues, tight coupling, anti-patterns, microservices design flaws
WHAT YOU RECEIVE (per 10,000 lines):
1. Security Audit Report (PDF) – Vulnerabilities by severity (Critical, High, Medium, Low)
2. Fix Recommendations – Step-by-step instructions
3. Code Snippets – Ready-to-use fixes
4. Priority Action Plan – What to fix first
5. Risk Assessment – Business impact of each vulnerability
6. Compliance Check – GDPR, PCI-DSS, or ISO 27001
7. Architecture Assessment – System design and scalability review
8. 1-Hour Review Call – Walk through findings
9. Re-Audit – Re-check critical issues after fixes
WHAT IS NOT INCLUDED:
- Fixing vulnerabilities (available as an add-on)
- Penetration testing (available as an add-on)
- Codebases under 10,000 lines (see my other Offers)
Before purchase: I offer a free 15-minute discovery call to confirm your codebase fits this Offer and recommend the correct number of add-ons.
Get more with Offer Add-ons
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I can audit an extra 12,500 lines of code (add to your base)
Additional 5 working days
+$1.0k -
I can audit another extra 12,500 lines of code (add to your base)
Additional 5 working days
+$1.0k -
I can audit an extra 6,250 lines of code (add to your base)
Additional 2 working days
+$1.0k -
I can patch vulnerabilities found in up to 5,000 lines of code
Additional 3 working days
+$1.0k -
I can patch vulnerabilities found in up to 10,000 lines of code
Additional 4 working days
+$1.3k -
I can patch vulnerabilities found in another 10,000 lines of code
Additional 4 working days
+$1.3k -
I can patch vulnerabilities found in another 10,000 lines of code
Additional 1 working day
+$1.3k
What the Freelancer needs to start the work
To get started, please provide:
1. All source code files (ZIP folder or GitHub repository link)
2. Total lines of code (so I can confirm the correct number of add-ons)
3. A list of any third-party libraries or frameworks used
4. The AI model used to generate the code (e.g., ChatGPT, Claude, DeepSeek, Gemini)
5. The exact prompt you used to generate the code (if available)
6. Information about your hosting environment (if applicable)
7. Your compliance requirements (GDPR, PCI-DSS, ISO 27001, etc.)
8. Your infrastructure diagram (if available)
9. Any specific concerns or areas you want me to focus on