Hello, I'm

Arun Kumar

Cybersecurity Student & Developer

BCA student building practical cybersecurity skills through Linux labs, networking experiments, secure development, and hands-on technical projects. Focused on becoming internship-ready through execution rather than theory alone.

Download Resume View Projects Contact Me

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// About

Who is Arun?

Career Goal

Currently focused on becoming internship-ready for cybersecurity roles, with particular interest in SOC, Blue Team, Linux, networking, and security operations.

Education

Bachelor of Computer Applications (BCA) at Parul University, Vadodara — building strong fundamentals in programming, networking, operating systems, and security.

Focus Areas

Linux administration, networking fundamentals, security concepts, Python scripting, secure web development, and practical lab work.

Projects Completed

Certifications

GitHub Repositories

const arun = {
  status: "actively learning",
  seeking: "cybersecurity internship",
  approach: "execution over theory"
};

// Learn. Practice. Build. Document. Improve.

// Skills

Technical Skills & Toolkit

Python

JavaScript

// Projects

Featured Projects

Cybersecurity Learning Journey

My hands-on cybersecurity learning journey focused on networking, Linux, SOC, Blue Team, security analysis, and practical labs. A public record of practical study — not a finished product.

// learned: Networking (OSI, TCP/IP, DNS, HTTP/HTTPS, TLS), Linux (filesystem, permissions, users/groups, processes), network troubleshooting (ping, traceroute, firewall, ss), and security fundamentals (CIA triad, AAA, threat/vulnerability/risk, IOC/TTP, phishing, brute force, malware).

LinuxNetworkingSOCBlue TeamSecurity AnalysisPractical Labs

Linux Access Control Lab

Simulated Linux permission systems using chmod, user roles, and file access management. Explored real-world access control scenarios in a controlled lab environment.

// learned: Hands-on with Linux file permissions, ownership, chmod, user/group management, and access control fundamentals.

LinuxBashSecurity

Weather UI Dashboard

A modern weather dashboard built with React and deployed on Vercel. Features saved cities, 7-day forecasts, and a responsive UI with smooth animations.

// learned: Working with external APIs, React state management, responsive design, and deploying full projects publicly via Vercel.

ReactNext.jsTypeScriptAPI

Personal Portfolio Website

Built and continuously improved this portfolio website — ArunX.xyz — as a public technical identity and learning journal.

// learned: Next.js app architecture, TypeScript, design systems, AI integration, and building a production-grade personal brand site.

Next.jsTypeScriptReactTailwind

C Programming Practice Suite

Built multiple C programs covering arrays, loops, calculators, and file handling. Focused on strengthening low-level programming fundamentals.

// learned: Solid foundation in C: memory concepts, control flow, file I/O, and problem-solving at the systems level.

CData StructuresAlgorithms

AI Workflow Exploration

Experimented with prompt engineering, productivity systems, and AI-powered workflows. Explored practical applications of AI tools for development acceleration.

// learned: Prompt engineering patterns, practical use of LLMs for productivity and automation, and how AI tools fit into technical workflows.

AIPrompt EngineeringPython

// Certifications

Credentials & Learning

Introduction to Generative AI

Google · Feb 2026

Verify Credential

// Resume

Professional Summary

Education

Bachelor of Computer Applications (BCA) — Building strong fundamentals in CS, networking, and security.

Technical Focus

C programming, web development (HTML/CSS/JS), Linux administration, and database management.

Security Learning

Networking fundamentals, Linux permissions, system hardening, and vulnerability awareness.

Seeking

Internship opportunities in cybersecurity, IT security, or web development to gain real-world experience.

Download Full Resume (PDF)

// Contact

Get In Touch

I'm actively looking for internship opportunities in cybersecurity, IT security, and web development. Let's connect.

arun.cyberx@gmail.com

github.com/arun-codex

linkedin.com/in/arun-codex

India