🛡️ Penetration Testing
Hands-on tutorials for standard penetration-testing tools — network scanning, traffic analysis, and exploitation frameworks, for authorized, legal use only.
Understanding the OWASP Top 10: The Ten Most Common Web Vulnerabilities
Before testing a web application, you need to know exactly what you're looking for. A practical walkthrough of the ten vulnerability categories OWASP identifies as the most critical threats to web applications.
6 min readStep-by-Step: Intercepting and Analyzing Web Traffic with Burp Suite
How does the world's most popular web application penetration-testing tool actually work? An introduction to the proxy, Repeater, and intercepting your first request in an authorized lab environment.
7 min readStep-by-Step: Automated SQL Injection Testing with sqlmap
How do you automatically find and confirm one of the oldest, and still most dangerous, web vulnerabilities? A walkthrough of sqlmap against an authorized lab target.
6 min readStep-by-Step: OSINT Reconnaissance on a Domain with theHarvester
Every professional penetration test starts with reconnaissance, not scanning. A walkthrough of automatically gathering emails, subdomains, and public information about an organization with theHarvester.
6 min readStep-by-Step: Installing Kali Linux (on VirtualBox/VMware)
The first real step toward penetration testing is having a ready Kali Linux environment — a complete guide to installing it as a virtual machine.
7 min readStep-by-Step: Managing Packages and Tools in Kali Linux with apt
After installing Kali, how do you install new tools, keep the system updated, and manage disk space? A complete guide to apt on Kali Linux.
6 min readStep-by-Step: Auditing Password Strength with GPU-Accelerated hashcat
A hashed password looks secure on paper — but how long does it actually take to crack? A guide to hashcat for real-world password-strength auditing with GPU power.
7 min readStep-by-Step: Auditing System Account Passwords with John the Ripper
The world's oldest and most well-known password-auditing tool is still an industry standard — a complete guide to John the Ripper for checking system account password security.
7 min readStep-by-Step: Monitoring Wi-Fi Networks and Capturing a Handshake with airodump-ng
How do you survey and monitor nearby Wi-Fi networks, and actually test your own Wi-Fi password's strength? A guide to airodump-ng from the aircrack-ng suite.
8 min readStep-by-Step: Scanning Networks and Discovering Open Ports with Nmap
The first tool every pentester learns is Nmap — a complete guide to network scanning, service and OS detection, with real commands.
8 min readStep-by-Step: Crafting Custom Packets and Testing Firewall Rules with hping3
When a regular ping doesn't give you enough answers, hping3 comes in — a guide to crafting custom TCP packets to see how a firewall actually behaves.
7 min readStep-by-Step: Capturing and Analyzing Network Traffic with Wireshark
What exactly is flowing across your network cable, right now? A complete guide to capturing, filtering, and analyzing packets with Wireshark.
7 min readIntroduction to the Metasploit Framework: Structure and First Practical Steps
How does the world's most popular penetration-testing framework actually work? An introduction to msfconsole, modules, and running your first scan in a lab environment.
8 min read