
Mehedi Hasan
Professional Ethical Hacker and Pentester for Cyber Security
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Expérience professionnelle
Cyber Security & Penetration Testing
MARCEL BD • Freelance
Jan 2026 - Jan 2026 • 0 mos
Professional Experience: Cyber Security & Penetration Tester Client/Company: Marcel BD Company Project Role: External Security Consultant / Penetration Tester Project Overview Performed a comprehensive Vulnerability Assessment and Penetration Testing (VAPT) on Marcel BD’s web infrastructure to identify critical security gaps and fortify the system against potential cyber threats. Key Contributions & Responsibilities: Comprehensive Security Testing: Executed end-to-end vulnerability scanning and rigorous manual testing to evaluate the security posture of the web systems. Vulnerability Identification: Successfully identified and documented critical security flaws, including SQL Injection (SQLi), Cross-Site Scripting (XSS), and various Server Misconfigurations. Risk Assessment: Analyzed the potential impact of identified vulnerabilities on business operations and sensitive data integrity. Technical Reporting: Authored a detailed VAPT Report, categorizing risks into High, Medium, and Low levels with actionable remediation steps for the development team. Key Results: System Strengthening: Significantly enhanced overall system security and reduced the risk of unauthorized access. Risk Mitigation: Minimized attack surfaces by implementing defensive strategies against modern hacking techniques. Compliance & Safety: Ensured a secure digital environment for company assets and user data through authorized ethical hacking. Core Skills Applied: Vulnerability Assessment (VA) Manual Penetration Testing (PT) SQLi & XSS Mitigation Security Reporting & Risk Analysis