How to Become a Penetration Tester: The Ultimate Guide

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You Should Know:

Essential Skills & Tools for Penetration Testing

To become a successful penetration tester, you must master several key skills and tools. Below are critical areas to focus on:

1. Networking Fundamentals

• Understand TCP/IP, DNS, HTTP/HTTPS, VPNs, and firewalls.
• Key Linux commands:

  ifconfig  Check network interfaces 
  netstat -tuln  List active connections 
  nmap -sV 192.168.1.1  Scan a target for services 
  tcpdump -i eth0  Capture network traffic 
  

2. Operating System Knowledge

• Linux (Kali Linux, Parrot OS) and Windows internals.
• Important commands:

  sudo apt update && sudo apt upgrade -y  Update Kali Linux 
  whoami  Check current user 
  systeminfo  Windows system details (CMD) 
  reg query HKLM\Software\Microsoft\Windows\CurrentVersion\Run  Check startup programs 
  

3. Web Application Security

• Learn SQLi, XSS, CSRF, and OWASP Top 10 vulnerabilities.
• Practice with:

  sqlmap -u "http://example.com/page?id=1" --dbs  SQL injection test 
  burpsuite  Web vulnerability scanner 
  nikto -h example.com  Web server scanner 
  

4. Exploitation & Post-Exploitation

• Use Metasploit Framework:

  msfconsole 
  use exploit/multi/handler 
  set payload windows/meterpreter/reverse_tcp 
  exploit 
  

• Post-exploitation commands:

  meterpreter > sysinfo  Target system info 
  meterpreter > hashdump  Dump password hashes 
  

5. Certifications to Pursue

• OSCP (Offensive Security Certified Professional)
• CEH (Certified Ethical Hacker)
• eJPT (eLearnSecurity Junior Penetration Tester)

Hands-On Practice Labs

• Try platforms like:
• Hack The Box (https://www.hackthebox.com/)
• TryHackMe (https://tryhackme.com/)
• VulnHub (https://www.vulnhub.com/)

What Undercode Say

Penetration testing is a dynamic field requiring continuous learning. Mastering Linux commands, scripting (Bash/Python), and tools like Nmap, Metasploit, and Burp Suite is crucial. Always practice in legal environments like HTB or VulnHub. Stay updated with security trends and obtain certifications to validate skills.

Expected Output:

A structured guide with actionable steps, commands, and resources for aspiring penetration testers.

(Note: Removed LinkedIn-specific content and non-cyber URLs.)

References:

Reported By: Housenathan Is – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅

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