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Mahembajr/README.md

[# Hi, I'm Laurent Mahemba 👋

MSc Cybersecurity & Digital Forensics | Penetration Testing | Network Security | Tanzania 🇹🇿

Postgraduate student specialising in cybersecurity and digital forensics, with hands-on experience building secure systems and exploiting vulnerable ones. Former Google GDSC Lead and ERP Functional Specialist. I understand security from both sides — the builder and the attacker.

🔐 Cybersecurity Focus

Ethical Hacking Penetration Testing Network Security Digital Forensics SOC Operations Malware Analysis

📜 Certifications

  • 🛡 Cisco — Introduction to Cybersecurity · Oct 2024
  • 🛡 Cisco — Cybersecurity Essentials · Ongoing
  • 🛡 Cisco — Network Defence · Ongoing
  • 🤖 AI Career Essentials · ALX Africa / Mastercard Foundation · May 2024
  • 🏆 Google GDSC Lead · Certificate of Completion · 2023–2024
  • 🐍 Python Programming Fundamentals
  • 🎯 Preparing for: CompTIA Security+

🚀 Featured Projects

🔍 CyberScan — Penetration Testing Toolkit

Multithreaded port scanner, cipher cracker, home lab exploits and CVE writeups

  • Built a TCP port scanner from scratch — banner grabbing identified vsFTPd 2.3.4
  • Exploited CVE-2011-2523 to achieve a full root shell on Metasploitable2
  • Implemented Vigenère cipher cracker using Kasiski examination and frequency analysis
  • Home lab: Kali Linux vs Metasploitable2 on isolated VMware network

🎓 SUZA Alumni Management System

Secure full-stack platform — FastAPI, React, JWT auth, RBAC · BSc Final Year Project

  • JWT authentication + role-based access control (Admin / Alumni)
  • Secure API design with FastAPI and SQLAlchemy
  • Alumni directory, job board, events, messaging, admin dashboard

🏢 Virtuous Insurance Brokers Website

Production website for a TIRA-licensed insurance brokerage in Tanzania · React + Vite

🧪 Practice & Labs

🛠 Tech Stack

Security: Kali Linux Nmap Metasploit Wireshark Burp Suite Netcat

Development: Python FastAPI React JWT SQLAlchemy Java JavaScript

Systems: Linux Windows Server TCP/IP VMware Git

ERP & Cloud: Odoo Google Cloud AWS

🎯 Currently

  • 📖 MSc IT — Cybersecurity & Digital Forensics at Parul University, India
  • 🔴 Completing TryHackMe Jr Penetration Tester path
  • 🏗 Building Phase 2 of CyberScan — web application security tools
  • 📚 Preparing for CompTIA Security+

📫 Connect

Portfolio LinkedIn TryHackMe Email ](https://github.com/Mahembajr)

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  1. alumni_app alumni_app Public

    Full-stack alumni management platform — FastAPI, React, JWT auth, RBAC, SQLite. Built with security-first principles as a BSc final year project at SUZA.

    JavaScript

  2. cyberscan cyberscan Public

    Penetration testing toolkit — port scanner, cipher cracker, home lab exploits and CVE writeups

    Python

  3. Mahembajr.github.io Mahembajr.github.io Public

    Personal portfolio website

    HTML

  4. virtuous-insurance-brokers-website virtuous-insurance-brokers-website Public

    Professional marketing website for Virtuous Insurance Brokers Limited — a TIRA-licensed insurance brokerage in Tanzania. Built with React and Vite.

    JavaScript