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Linux + Nmap + WiFi Attacks (Lab Project)

Ethical learning lab: fundamentals → reconnaissance → wireless security concepts

Overview

This project is a personal ethical lab where I learned Linux fundamentals, performed network reconnaissance using Nmap, and studied wireless security concepts (including brute-force and deauthentication) only in a controlled environment on devices and networks I own or have permission to test.

Capture The Flag (CTF)

I also attempted Cyber Advent of 2025 (Capture The Flag). This helped me improve real-world problem solving in areas like recon, enumeration, Linux fundamentals, and basic exploitation concepts in a safe and legal learning environment.

What I Practiced

  • Linux Basics: file system, permissions, services, logs, package management
  • Nmap Recon: host discovery, port scanning, service/version detection, scan analysis
  • WiFi Security Concepts: authentication, handshake basics, protection mechanisms
  • Lab Documentation: notes, screenshots, and safe reporting format

Tech & Tools (High-level)

Core

  • Linux
  • Nmap
  • Networking fundamentals
  • Basic scripting (for automation)

Wireless (Ethical Lab)

  • WiFi security concepts
  • Bruteforce (controlled environment)
  • Deauthentication (controlled environment)

Defensive Takeaways

  • Use strong WPA2/WPA3 passphrases and avoid common passwords.
  • Keep router firmware updated and disable weak features.
  • Monitor for unusual clients and suspicious disconnections.
  • Segment networks (guest WiFi / IoT separation) to reduce risk.

What I Learned

  • How Linux permissions and services affect security posture
  • How to interpret Nmap output and prioritize findings
  • How WiFi authentication works (high-level)
  • How to document labs ethically and safely

Certificate

This project includes a certificate. Click below to view/download it.