zer0arc4

// Cybersecurity Portfolio

zer0arc4

Cybersecurity Student | Penetration Tester | Aspiring Red Teamer

Cybersecurity student passionate about penetration testing, red teaming, and continuous learning. Documenting the journey through CTF writeups, lab machines, security research, and tool development — building practical skills across offensive security, networking, and application security.

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Featured Writeups

Lab machines and CTF challenge walkthroughs

Writeups coming soon. Check back as I publish lab walkthroughs.

Featured Projects

Security tools and development projects

Future Security Tools
in-progress

Future Security Tools

A collection of planned security tools including recon automation, payload generators, and lab utilities.

Python Bash Go
Student Database System
completed

Student Database System

Database application for managing student records with search, filter, and export capabilities.

Java SQL JDBC
Cryptographic Hash Generator
completed

Cryptographic Hash Generator

CLI tool supporting MD5, SHA-1, SHA-256, SHA-512 hash generation with file and string input.

Python hashlib CLI

Latest Articles

Technical blog posts and security research

networking

Getting Started with Nmap for Penetration Testing

Learn essential Nmap scanning techniques for port discovery, service enumeration, and OS detection.

1 min read
#nmap #reconnaissance
web-security

API Security Testing Basics with Postman and Burp Suite

Cover authentication flaws, input validation, rate limiting, and common OWASP API Security Top 10 vulnerabilities.

1 min read
#api-security #burp-suite

Statistics Dashboard

Tracking progress across labs, projects, and certifications

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Writeups Published

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Projects Built

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Certifications Earned

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Labs Completed

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Learning Hours

Activity Timeline

Latest writeups, projects, articles, and certifications

writeup

Bank

VulNyx – BANK Writeup 🎯 Target Information Platform: VulNyx.com Machine Name: BANK Key Vulnerabilities: SMB Anonymous …

project

Future Security Tools

A collection of planned security tools including recon automation, payload generators, and lab utilities.

blog

Getting Started with Nmap for Penetration Testing

Learn essential Nmap scanning techniques for port discovery, service enumeration, and OS detection.

blog

API Security Testing Basics with Postman and Burp Suite

Cover authentication flaws, input validation, rate limiting, and common OWASP API Security Top 10 vulnerabilities.

project

Student Database System

Database application for managing student records with search, filter, and export capabilities.

Let's Connect

Open to cybersecurity opportunities, collaborations, CTF teams, and security research discussions.

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