Mirja Mehedi Hasan Sajib
I’m a Cybersecurity Researcher and Ethical Hacker with a deep passion for uncovering system vulnerabilities before the bad guys do. With hands-on expertise in web application penetration testing, Python scripting, and bug hunting, I help organizations strengthen their digital defenses and improve overall security posture. As a Top-Rated Freelancer on Upwork, I’ve worked with global clients on projects ranging from vulnerability assessments and network security audits to custom Python automation tools. My goal is always the same — deliver reliable, ethical, and high-impact security solutions. 💻 What I Do: Web Application Penetration Testing (OWASP Top 10, Burp Suite, Kali Linux) Bug Hunting & Responsible Disclosure Python Security Tools & Automation Scripts Network & System Security Testing Security Reporting & Remediation Guidance ⚙️ Tech Stack & Tools: Kali Linux | Burp Suite | Metasploit | Nmap | ProxyChains | Wireshark | Python | GitHub | Linux 🌍 Always open to collaborating on new security projects, research, or freelance opportunities that make the internet a safer place.
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