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MADHACKER85/README.md

Hi 👋, I'm Keerthivasan Krishnamoorthy

A passionate System Administrator(IT-Infra) and a NetworK Engineer from India

🌐 Portfolio Website💼 LinkedIn Profile📫 Contact Me


💫 About Me

  • 🔭 Currently Working On:
    • RHEL Firewall Zone & Rich Rule Designer: Visual interactive tool for Red Hat Enterprise Linux firewalld setups.
    • CyberGuard Port Auditor: Real-time port auditor/scanner featuring process terminator logic and a 3D HTML5 cybermap globe.
    • IT Infrastructure Observability Stack: Containerized node-exporter, Prometheus, Alertmanager, and Grafana pipeline.
  • 🌱 Currently Learning: Penetration testing, vulnerability assessments, security configurations, and React Native mobile development.
  • 👯 Looking to Collaborate On: Open Source Intelligence (OSINT) systems and offensive/defensive cybersecurity tools.
  • 🤝 Looking for Support With: Secure cryptographic hashing algorithms and expanding active threat-hunting telemetry.
  • 💬 Ask me about: Linux administration, RHEL firewalls, network monitoring, Power BI analytics, and frontend development.
  • Fun Fact: I like building secure, high-performance systems from scratch—and I can be quite impatient when wait times exceed 2 seconds!

🛠️ Featured Projects

An interactive visual configure utility for network zones, allowed services, and complex Rich Rules on Red Hat Enterprise Linux. Generates real-time terminal firewall-cmd instructions, XML configurations, and bash setup scripts. Built with zero external dependencies for secure, air-gapped secure systems.

A real-time network scanner and security auditor. Inspects active network connections, maps them to local Process IDs, and allows direct connection termination. Features a stunning Kaspersky-style 3D interactive rotating cybermap showing live-simulated cyber threats using HTML5 Canvas.

Containerized monitoring and alert stack provisioned with Docker Compose. Collects system metric data via Node Exporter, processes database queries with Prometheus, triggers alerts with Alertmanager, and visualizes system stats with pre-provisioned Grafana dashboards. Includes load-simulators.

An intelligence gathering dashboard and lookup suite designed to query and aggregate open-source data. Analyzes digital footprints, profiles target entities across social media platforms, maps geo-coordinates, and evaluates public database leaks in a clean visualization platform.


💻 Tech Stack & Tools

  • Programming & Scripting: C, Python, PowerShell, Bash, JavaScript, Next.js, Node.js, Express.js
  • Databases & Backends: MySQL, PostgreSQL, Supabase, Firebase Firestore, Microsoft SQL Server
  • Monitoring & Containers: Docker, Docker Compose, Prometheus, Grafana, Alertmanager, Node Exporter, Apache Hadoop
  • Data Science & ML: NumPy, Pandas, Matplotlib, scikit-learn, TensorFlow, PyTorch
  • Hosting & Tools: Git, GitHub, GitLab, Vercel, Netlify, Canva, Power BI, Raspberry Pi

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