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Zidhan
@sinanulzidhan
Ethical Hacker Web Application Penetration Tester
India
English, Malayalam
About me
I am a cybersecurity researcher and independent security analyst dedicated to finding and securing vulnerabilities. I specialize in web application security, VAPT, and responsible disclosure, with expertise in Kali Linux and the Metasploit Framework to help organizations close critical security gaps.
Skills
Zidhan
Offline •
Average response time: 1 hour
See my services
Custom Websites
I will design a premium ai portfolio website with custom features
Software Testing
I will run a professional website security scan for vulnerabilities
Portfolio
Work experience
Freelancing Career
Freelance • 0 mos
Vulnerability Assessment & Penetration Testing (VAPT) Researcher
May 2026 - May 2026 • 0 mos
Identified and responsibly disclosed a medium-severity Clickjacking vulnerability on a live platform. Validated the flaw by creating a proof-of-concept (PoC) HTML frame pipeline demonstrating the total lack of X-Frame-Options and Content-Security-Policy (CSP) response headers, and delivered a structured remediation report to the vendor
Independent Cybersecurity Researcher
May 2026 - May 2026 • 0 mos
Performed non-intrusive security assessments on live web applications. Successfully identified and responsibly disclosed critical and high-severity security flaws, including Django Debug Mode misconfigurations, missing rate limits on administrative panels (brute force vectors), and server information disclosure.
