How to Become a Penetration Tester: A Realistic Roadmap

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The cybersecurity field, particularly penetration testing, is highly competitive and requires hands-on experience, certifications, and continuous learning. Unlike many self-proclaimed “experts,” real penetration testers emphasize practical skills over theoretical roadmaps.

You Should Know:

1. Foundational Knowledge

Before diving into penetration testing, build a strong IT and networking foundation:
– Linux Commands:

 Network scanning with netcat
nc -zv target.com 80

File permissions (useful for privilege escalation)
chmod 755 script.sh

Searching for SUID binaries (common in CTFs)
find / -perm -4000 2>/dev/null

– Windows Commands:

 Check open ports
netstat -ano

Check user privileges
whoami /priv

Enable RDP remotely (for post-exploitation)
reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server" /v fDenyTSConnections /t REG_DWORD /d 0 /f

2. Essential Certifications

Avoid misleading advice—focus on respected certifications:

  • CompTIA Security+ (Basics)
  • OSCP (Offensive Security Certified Professional) (Hands-on hacking)
  • eJPT (Junior Penetration Tester) (Beginner-friendly)
  • CRTO (Certified Red Team Operator) (For advanced red teaming)

3. Practical Labs & CTFs

  • TryHackMe / HackTheBox (Beginner to advanced machines)
    Example: Nmap scan for HTB machine
    nmap -sV -sC -p- 10.10.10.10
    
  • VulnHub (Free vulnerable VMs for practice)
  • OverTheWire Bandit (Linux privilege escalation practice)

4. Real-World Experience

  • Bug Bounty Programs (HackerOne, Bugcrowd)
  • Home Lab Setup (Metasploit, Burp Suite, Kali Linux)
    Starting Metasploit
    msfconsole
    
    Burp Suite for web app testing
    java -jar burpsuite_pro.jar
    

5. Networking & Mentorship

  • Follow real penetration testers (e.g., Tib3rius, TheCyberMentor, Tyler Ramsbey)
  • Join Discord/Reddit cybersecurity communities

What Undercode Say:

Becoming a penetration tester requires real-world experience, not just theoretical knowledge. Avoid “influencers” selling unrealistic roadmaps—focus on labs, certifications, and hands-on practice. The field evolves rapidly, so continuous learning is key.

Prediction:

As AI and automation grow, entry-level pentesting roles may require more advanced skills. Focus on cloud security (AWS/Azure), malware analysis, and red teaming to stay ahead.

Expected Output:

A structured, practical approach to penetration testing with verified commands, tools, and realistic milestones.

Relevant URLs:

References:

Reported By: Tyler Ramsbey – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅

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