20 February 2025

How to Become a Pentester in 2025

by RedTeamer403

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Want to be a penetration tester (pentester) in 2025? Here’s a simple guide with tips, tricks, and resources to start from zero and become a pro!

1. Learn the Basics

• What is pentesting? It’s testing systems for security weaknesses, like hackers do, but legally.
• Start with IT basics: Learn networks (TCP/IP, DNS), operating systems (Windows, Linux), and programming (Python, Bash).
• Tip: Use free courses on platforms like TryHackMe for cybersecurity basics and Code Academy for coding.

2. Master Pentesting Skills

• Tools to learn: Use Nmap for scanning, Metasploit for exploits, Burp Suite for web apps, and Wireshark for traffic analysis.
• Trick: Practice with nmap -sS <target> for stealth scans, or sqlmap -u <url> for SQL injection tests.
• Cheat: Keep a cheat sheet (like my notes on Linux, Windows, AD) for quick commands—save time!

3. Practice on Platforms

• From 0 to hero: Start with free platforms:
  • TryHackMe (tryhackme.com): Easy rooms for beginners, like “Introduction to Pentesting.”
  • PortSwigger (portswigger.net): Get knowlegde in WebApp/API/Web services penetration testing.
  • Hack The Box (hackthebox.com): Harder challenges, free tier available for practice.
  • VulnHub (vulnhub.com): Download VMs to hack safely.
• Tip: Spend 1–2 hours daily, focus on one skill (e.g., network scanning) per week.

4. Get Certifications

• Start small: Try to get any “Pentesting Learning path” certifications for basics (tryhackme.com).
• Level up: Go for BSCP (Burp Suite Certified Professional) from portswigger.net — it’s tough but respected.
• Trick: Use practice exams and forums like Reddit’s r/NetSec or Discord communities.

5. Build a Portfolio

• Show your work: Create a blog (like this one!) or GitHub repo with pentest reports, tools you built, or CTF solutions.
• Reference: Check OWASP for web app testing ideas or MITRE ATT&CK for attack techniques.

6. Join the Community

• Network: Join forums like Reddit r/NetSec, Bugcrowd, or HackerOne for bug bounties.
• Trick: Attend free webinars or meetups to meet pentesters.
• Cheat: Follow experts on X (Twitter) for tips—use hashtags like #Pentesting or #Cybersecurity.

7. Stay Updated in 2025

• New tools: Learn cloud pentesting (AWS, Azure) with tools like Pacu.
• Tip: Read blogs on PortSwigger or Offensive Security for latest trends.
• Reference: Follow CVE reports on NVD for new vulnerabilities.

Start today, practice daily, and you’ll be a pentester in 2025—good luck, RedTeamer!

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tags: Penetration Tester, Pentesting, Cybersecurity, Learning