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Preethamhj/README.md

👋 Hi, I'm Preetham HJ

Security-Focused Infrastructure Engineer (in progress)

🧠 Profile

Computer Science student transitioning from full-stack development
→ Deep focus on Network Security & Infrastructure Engineering

  • Packet-level understanding of systems
  • Offensive + Defensive security mindset
  • Architecture-first approach to security

🎯 Current Focus

  • Advanced Networking (TCP/IP, Subnetting, Routing)
  • Packet Analysis (Wireshark)
  • Linux Internals & System Hardening
  • Web Security & Exploitation
  • Firewall Design & Network Segmentation

🧪 Projects & Labs

  • Network Traffic Analyzer (Python)
  • Brute Force Detection System
  • ML-Based Threat Detection
  • Web Security Testing Lab
  • Firewall Simulation & Secure Network Design

💻 Tech Stack

Languages:
Python • C/C++ • JavaScript • Dart

Systems & Security:
Linux • Wireshark • Docker • Git • Postman

Development (Support):
Flask • Node.js • React • Flutter

📊 GitHub Stats

🔥 Activity Graph

🧠 Problem Solving

  • Solved 500+ problems on LeetCode
  • Strong foundation in Data Structures & Algorithms
  • Focus on optimization, patterns, and problem-solving depth

LeetCode: https://leetcode.com/u/preetham_1hj/
HackerRank: https://www.hackerrank.com/profile/hjpreetham1
codeforces : https://codeforces.com/profile/hjpreetham23

🌐 Connect

LinkedIn: https://linkedin.com/in/preetham-hj-ab2348295

🔐 Philosophy

Security is not a feature — it is architecture.

Pinned Loading

  1. ai_debugger ai_debugger Public

    Python

  2. wireless wireless Public

    C++

  3. CMAtreya/Smart-Project-Management-System CMAtreya/Smart-Project-Management-System Public

    JavaScript

  4. ShreekrishnaHegde/TransCryptAlpha ShreekrishnaHegde/TransCryptAlpha Public

    Dart

  5. Suhash-25/Maya-AI Suhash-25/Maya-AI Public

    Maya, a powerful AI assistant. It designed to provide expert assistance, leveraging vast knowledge and innovative tech to solve complex problems with precision and ease.

    Python

  6. smI-security- smI-security- Public

    small and medium scale industries security system

    JavaScript