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Mandar123454/README.md

Mandar Kajbaje

⚫ Cybersecurity Engineer | Machine Learning for Security | Systems Builder

Engineering intelligent defensive systems where data meets detection.

🧠 Focus

I design and build security-first systems that operate at the intersection of:

  • 🛡️ Network Intrusion Detection & Threat Engineering
  • 🤖 Machine Learning for Anomaly & Behavioral Analysis
  • 📊 Intelligence Dashboards & Large-Scale Data Systems
  • 🌐 Secure, Production-Ready Full-Stack Architectures

Core principles:
Security-first design • Explainable AI • Clean architecture • Real-world applicability

⚙️ Core Stack

Languages

Python • JavaScript • SQL • C#

Security & ML

Scapy • Snort • XGBoost • LSTM • SHAP • Scikit-learn • Threat Modeling

Backend & Systems

Flask • Node.js • Express • REST APIs

Frontend & Visualization

React • Plotly • Analytical Dashboard Engineering

Databases & Infrastructure

MongoDB • MySQL • Azure • Kali Linux • Git

🚀 Flagship Systems

🛡️ AI-Powered Network Intrusion Detection

  • 10-model ML/DL ensemble architecture
  • 99%+ validation accuracy
  • SHAP-based explainability layer
  • Real-time monitoring dashboard

📊 Government-Scale Analytics Dashboard

  • 93,000+ records analyzed
  • District-level & time-series intelligence
  • Policy-ready reporting system
  • Azure deployment

🎣 Hybrid Phishing Detection Extension

  • Heuristic + ML layered detection
  • Browser-level credential protection
  • Security-focused UI design

🌐 Secure MERN Architecture

  • Authentication & protected routes
  • Clean API structure
  • Scalable application logic

📈 GitHub Analytics

GitHub Streak

🏆 Selected Credentials

  • CEH v13 — EC-Council
  • EC-Council CTF Global Rank 113 / 3,235
  • Data Science (NSDC)

🎯 Current Direction

  • Advanced anomaly modeling
  • SOC-aligned alert engineering
  • Detection rule optimization
  • Research-oriented system refinement

📫 Let’s Connect

📧 Email: MandarKajbaje@gmail.com
💼 Portfolio: https://mandarkajbaje-portfolio.netlify.app/

😄 Pronouns

He / Him

⚡ Beyond The Code

I design systems, debug architectures, analyze live network traffic,
and ship intelligence dashboards — all while vibing to Lofi beats 🎧

Productivity Mode: ON 🚀

Pinned Loading

  1. AI-Powered-Network-Intrusion-Detection-System AI-Powered-Network-Intrusion-Detection-System Public

    AI-powered Network Intrusion Detection System achieving 99.1% validation accuracy using a 10-model ML ensemble (XGBoost, LSTM, GNN, Autoencoder) with explainable AI (SHAP), real-time threat detecti…

    Python 1

  2. Custom-Phishing-Detection-Chrome-Extension Custom-Phishing-Detection-Chrome-Extension Public

    A modern Chrome extension that uses multi-layer detection (heuristics, optional ML, and API checks) to help identify potential phishing websites and keep users informed while browsing. The included…

    JavaScript

  3. CyberSecurity-Journey CyberSecurity-Journey Public

    Evidence-backed, frontend-only cybersecurity dashboard showcasing independent offensive, defensive, and compliance security work — featuring real attack workflows, failed and successful attempts, a…

    JavaScript

  4. Predictive-Modeling-for-Smartphone-Purchase-Behavior-ML Predictive-Modeling-for-Smartphone-Purchase-Behavior-ML Public

    Smartphone Purchase Prediction Dashboard - An interactive web application for predicting and analyzing smartphone purchase behavior.

    Jupyter Notebook

  5. Python-Journey Python-Journey Public

    Free, open‑source Python journey: 100+ runnable examples from basics to advanced (OOP, file I/O, concurrency, Tkinter) plus complete mini‑projects.

    Python

  6. MERN-E-Commerce-Store MERN-E-Commerce-Store Public

    A functional E-Commerce website built with MongoDB, ExpressJS, ReactJS, and Node.js. Features include product listing, cart management, and dynamic price updates.

    JavaScript