Security Audit & Hardening
End-to-end security assessment of a SaaS web application — threat modelling, penetration testing, OWASP Top 10 remediation, and implementation of WAF rules and secure CI/CD pipelines.
The Challenge
What needed to be solved.
A SaaS company preparing for SOC 2 compliance discovered their web application had never undergone a professional security assessment. Internal scans revealed potential vulnerabilities, but they lacked the expertise to prioritize, remediate, and implement ongoing security measures.
The Approach
How I built the solution.
Conducted a comprehensive threat model mapping all attack surfaces, followed by manual penetration testing using Burp Suite and custom scripts. Identified and prioritized 23 vulnerabilities across the OWASP Top 10 categories. Implemented AWS WAF rules, hardened the CI/CD pipeline with SAST/DAST scanning, configured CSP headers, and set up automated dependency vulnerability scanning with GitHub Actions.
Technology Stack
Tools chosen with intent.
Results
Measurable outcomes delivered.
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