Kavinharish D

About Kavinharish D

Cyber Security Researcher with a deep curiosity for how attacks work at the system, network, and script level.I specialize in network traffic analysis, vulnerability discovery, and ethical hacking methodologies, with a strong belief that automation and scripting define modern cyber defense.My learning path includes CEH-aligned practices, security tooling, and continuous experimentation with real attack–defense scenarios. I enjoy breaking down complex security problems into analyzable patterns and improving detection logic over time.Currently based in Madurai, Tamil Nadu, and studying at Paavai Engineering College, I am actively building my profile through research, labs, and security-driven projects.Always learning. Always testing. Always securing.

Experience

1. Penetration Tester

   Purplematics

   Mar 2026 — Present · Madurai, IN

   Web Penetration Testing Intern • Assisted in performing security assessments on Laravel-based web applications, identifying vulnerabilities aligned with OWASP Top 10 standards. • Conducted black-box and grey-box testing to detect issues such as SQL Injection, XSS, CSRF, authentication flaws, and insecure direct object references (IDOR). • Evaluated authentication and access control mechanisms integrated with AWS SSO, ensuring secure identity and session management. • Tested and reviewed cloud infrastructure hosted on AWS EC2, analyzing security groups, IAM roles, and instance configurations for misconfigurations. • Assessed DNS and web protection configurations using Cloudflare DNS, reviewing firewall rules, SSL/TLS settings, and DDoS mitigation controls. • Used tools such as Burp Suite, OWASP ZAP, Nmap, and manual testing techniques to validate vulnerabilities. • Documented findings with detailed reports including severity levels, proof-of-concept (PoC), and remediation recommendations. • Collaborated with developers and cloud engineers to implement secure coding and cloud security best practices. • Participated in re-testing after fixes to confirm vulnerability remediation.

Education

• Paavai Engineering College

  Bachelor of Engineering - BE, Cyber Security