Sivakkumar Nagarajan

Application Security · Cybersecurity Student

Coimbatore, Tamil Nadu, India

@sivakkumar_nagarajan

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About

Application Security-focused Computer Science and Cyber Security student with hands-on experience in secure web development, vulnerability assessment, secure coding, and DevSecOps. Experienced with SAST, dependency and container scanning, CI/CD security, authentication, Docker, and Linux.

Education

B.E. CSE (Cyber Security)

Rathinam Technical Campus

Computer Science · 2024 – 2028

Skills

<3 months

Trivy Python Node.js Express.js JavaScript OWASP Top 10 API Security Secure Coding

Tools / apps / platforms

<3 months

Linux Docker Gitleaks Burp Suite GitHub Actions

Projects

OWASP Juice Shop — Application Security Assessment

Burp Suite, Semgrep, Trivy, OWASP Top 10

Performed hands-on application security assessment of OWASP Juice Shop. Tested authentication, access control, and injection vulnerabilities using Burp Suite, Semgrep, and Trivy.
DevSecOps Security Pipeline

GitHub Actions, Semgrep, Trivy, Gitleaks

Built an automated CI/CD security pipeline integrating SAST, dependency scanning, secret detection, container scanning, and SBOM generation. Implemented security policy validation and automated PASS/FAIL gate decisions.
NoVuln — AI-Assisted Security Code Reviewer

Node.js, React, SAST, AI

Developed an AI-assisted security code review platform to identify insecure coding patterns and potential vulnerabilities. Implemented policy-based evaluation, severity thresholds, automated security gates, GitHub Actions integration, and machine-readable reports.

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