Hi, I'm

Navina
Marimuthu

A dedicated and adaptable professional seeking to create meaningful impact through creativity, critical thinking, and continuous improvement. Guided by curiosity for meaningful projects at the intersection of security, intelligence, and design..

About me ✉ Contact Me
Cybersecurity
Python
React.js
AI / ML
MERN
NM
About Me

About Me

A dedicated and adaptable professional seeking to create meaningful impact through creativity, critical thinking, and continuous improvement. Guided by curiosity for meaningful projects.

0
Projects Done
0
Hackathons
0
Certifications
📧
navinamarimuthu@gmail.com
📍
Tamil Nadu — 626117
🐙
github.com/Navina-M
💼
LinkedIn Profile
🔷 NSS Member
💠 CSI Student
📡 IEEE CS & WIE
🗣️ Tamil
English

Get In Touch →
Technical Skills

My Skills

A versatile toolkit spanning cybersecurity, full-stack development, AI/ML, and databases — built through real projects and internships.

Cybersecurity
Python / Java
Web Dev (MERN)
AI / ML
Databases
🛡️
Cybersecurity
NetworkingEthical HackingCIA TriadPacket TracerFirewallVLAN
💻
Programming
PythonJavaCDartPHPJavaScript
🌐
Web & Mobile
React.jsNode.jsExpress.jsFlaskFastAPIFlutter
🤖
AI / ML
Scikit-LearnLSTMLangChainGemini APIOpenCVMediapipe
🗄️
Databases
MySQLMongoDBSQLiteREST APIJWT
🛠️
Tools
Power BIGoogle ColabJupyterGitPandasNumPy
Work History

My Experience

Supraja Technologies
Internship
Cybersecurity Intern
Jul 2025 – Sep 2025
  • Real-time scanning, enumeration, and controlled exploitation in a lab environment.
  • Deepened CIA triad understanding through practical cybersecurity sessions.
  • Built an Advanced Brute Forcer — multi-protocol, GUI-based with email integration.
  • Core lesson: every vulnerability has a security fix — an infinite, critical cycle.
PSYLIQ Company
Internship
Python Developer Intern
Mar 2024 – Apr 2024
  • Hands-on Python tasks covering OOP and real-time data operations.
  • Worked in Google Colab and Jupyter Notebook for data experimentation.
Portfolio

My Projects

09
01 · Feb 2026
MedicoScan
AI-assisted medical report interpretation using OCR + ML — predicts disease and explains results in plain language.
FastAPITesseractRandom ForestPandas
✦ Validated on real-life reports
02 · Nov 2025
Secure Hospital Network
Fully segmented hospital network in Cisco Packet Tracer with VLANs, ACLs, routing, and firewall rules.
CiscoFirewallACLVLAN
✦ Secure segmentation achieved
03 · Nov 2025
E-Learning Platform
Full-stack MERN platform with login, dashboard, courses, and quiz modules with JWT auth.
React.jsNode.jsMongoDBJWT
✦ Fully functional platform
04 · Oct 2025
Brut3Zero Tool
Multi-protocol brute-force simulator with GUI, auto form detection, email integration and reports.
PythonTkinterParamiko
✦ Working security simulator
05 · Jun–Jul 2025
Chromashape
AI personal stylist suggesting outfit colors and styles based on real-time face analysis.
MediapipeOpenCVFlask
✦ AI styling assistant
06 · May 2025
Trend Detection
LSTM model on 70k sentiment records for detecting trending patterns across social platforms.
LSTMPythonNLP
✦ 75% accuracy achieved
07 · May 2025
Library System
Web app with add/view/issue/return modules and admin + student login built with PHP & MySQL.
PHPMySQLHTML/CSS
✦ Complete management system
08 · Aug 2024
AI Query Interface
LLM-backed NL query system using Gemini API and LangChain for intelligent database responses.
LangChainGemini APISQLite
✦ Intelligent query system
09 · Nov 2024
Theatre Booking
Console Java app with seat booking, ticket generation and persistent file-based record keeping.
JavaOOPFile I/O
✦ Working booking system
Recognition

Wins & Certifications

🏆 Hackathons & Events

Foloverse Hackathon🥇 Top 5 Winner
HackITSnova 2025 — Karunya🏅 Top 5
RYLA Entrepreneurship Event🥈 Runner-Up · ₹3000
Tech Tambola — IEEE Chapter🥉 3rd Place
Cyber Sentinels CTF22nd Place
World Students Day PosterTop 50
Slayground — Coding Ninja21-Day Streak
Flipkart GRID 6.0Participated

🎓 Certifications

🔐
Introduction to Cryptography
Wolfram U
Nov 2025
🌐
Cisco Packet Tracer
Cisco Networking Academy
Aug 2025
🗄️
Database Management System
SWAYAM NPTEL
Apr 2025
🛡️
Intro to Cybersecurity
Cisco Networking Academy
Dec 2024
Get In Touch

Let's Work Together

Open to opportunities, collaborations, or a great conversation about cybersecurity and building things that matter.

📧
navinamarimuthu@gmail.com
Send an email
 🐙
github.com/Navina-M
View my code
 💼
LinkedIn Profile
Connect professionally