- by x32x01 ||
Hands-on practice is the fastest way to level up in cybersecurity. Instead of only reading theory, working in a controlled lab environment helps you understand tools, protocols, and real attack paths without risking real systems.
This guide gives a step-by-step lab roadmap from beginner to advanced, packed with practical tips, code examples, and resource ideas - all focused on safe, legal learning.

Beginner - Core fundamentals you must master
Start with core concepts so you’re not lost later:
Starter code - simple port scanner in Python
Use this locally inside your lab to learn how scanning works (educational only):
Run this only against machines inside your isolated lab.
Intermediate - real tools and deeper tactics
After basics, move to targeted tools and real analysis:
Change the payload and monitor responses. Look for weak auth, verbose error messages, or token leaks.
Advanced - automation, reverse engineering, and research
At this level you’ll be doing research-grade work (still inside lab only):
Note: whois and dig must be available on the system. Use within permitted scopes.
Safety, ethics, and legal rules
Tools & training platforms I recommend
How to progress smartly
Conclusion - what you’ll gain
Following this lab roadmap will take you from beginner to advanced, giving you the practical skills employers and research teams value. You’ll get hands-on experience with OSINT, pentesting, forensics, automation, and reverse engineering - all inside safe environments. If you want, I can build a week-by-week lab playbook or provide downloadable lab VM configs and step-by-step exercises. Let me know which part you want next!
This guide gives a step-by-step lab roadmap from beginner to advanced, packed with practical tips, code examples, and resource ideas - all focused on safe, legal learning.
Roadmap Overview
This roadmap splits your learning into three stages so you can build confidence and skill steadily:- Beginner (1-30%) - foundations: networking, HTTP, cookies, and basic CTFs.
- Intermediate (31-70%) - labs, log analysis, app testing, and reverse basics.
- Advanced (71-100%) - automation, malware/reverse engineering, end-to-end pentest simulation, and zero-day research.
Beginner - Core fundamentals you must master
Start with core concepts so you’re not lost later:- OSINT: learn techniques to gather public info (try tools like theHarvester and Google Dorking).
- DNS & HTTP: understand how domain resolution and HTTP requests/responses work.
- Cookies & Sessions: learn how authentication and session management work and where they break.
- VPNs, Proxies & Tunneling: basic concepts of network routing and anonymity.
- Burp Suite (basics): Proxy, Repeater, and using intercept to inspect requests.
- CTF practice: solve beginner CTFs on sites like TryHackMe or OverTheWire to build confidence.
Starter code - simple port scanner in Python
Use this locally inside your lab to learn how scanning works (educational only): Python:
# simple_port_scan.py
import socket
def scan_host(host, ports):
for port in ports:
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.settimeout(0.5)
try:
s.connect((host, port))
print(f"Port {port} open")
s.close()
except:
pass
if __name__ == "__main__":
target = "192.168.56.101" # example: VM IP in your lab
ports = range(20, 1025)
scan_host(target, ports) Intermediate - real tools and deeper tactics
After basics, move to targeted tools and real analysis:- Build a virtual pentest lab: create a network with Kali, victim VMs (Metasploitable, DVWA), and an attacker VM.
- Forensics & log analysis: read syslogs, web server logs, and use Wireshark to inspect traffic.
- WebSockets & API security: test endpoints, inspect tokens (JWT), and look for improper auth.
- Mobile app security: decompile APKs, inspect network calls, and test local storage.
- Intrusion detection basics: understand IDS alerts vs false positives.
API testing example with Python
Quick example to POST JSON to an endpoint in your lab: Python:
import requests
url = "http://10.0.2.15/api/login"
payload = {"username":"admin","password":"password"}
r = requests.post(url, json=payload)
print(r.status_code, r.text) Advanced - automation, reverse engineering, and research
At this level you’ll be doing research-grade work (still inside lab only):- Python automation: build scripts to enumerate targets, check configs, and generate reports.
- WAF bypass research: study rules for Web Application Firewalls and test bypass techniques in controlled settings.
- Reverse engineering & malware analysis: use tools like Ghidra or IDA inside an isolated analysis box.
- End-to-end pentest simulations: perform full scoped tests in the lab (recon → exploit → post-exploit → cleanup).
- Zero-day methodology: advanced research into vulnerabilities, fuzzing, and responsible disclosure (requires deep legal/ethical guidance).
Advanced code sample - basic OSINT automation
A small script to run whois and DNS lookups (run in lab/approved infra only): Python:
import subprocess
import json
def whois(domain):
p = subprocess.run(["whois", domain], capture_output=True, text=True)
return p.stdout
def dig(domain):
p = subprocess.run(["dig", "+short", domain], capture_output=True, text=True)
return p.stdout.strip().splitlines()
if __name__ == "__main__":
domain = "example.lab"
print("WHOIS:\n", whois(domain))
print("DNS records:\n", json.dumps(dig(domain), indent=2)) Safety, ethics, and legal rules
- Permission first: never scan or attack live systems without explicit written consent.
- Isolate your lab from your home/office network using NAT or dedicated VLANs.
- Use snapshots before risky steps so you can revert.
- Log everything: commands, timestamps, and results. That’s critical for reproducibility and reports.
- Learn responsible disclosure and follow legal guidelines if you find real vulnerabilities.
Tools & training platforms I recommend
- Kali Linux, Parrot OS (for attackers' tools)
- Burp Suite (Community or Pro), Wireshark, tcpdump
- Ghidra or IDA for reverse engineering
- TryHackMe, Hack The Box, OverTheWire for hands-on labs
- GitHub or GitLab to store lab notes (private repos for sensitive content)
How to progress smartly
- Start small: short weekly goals (e.g., “this week I’ll master Burp Proxy”).
- Build a portfolio: document lab projects, write short reports, and keep sanitized evidence.
- Join communities: Discord servers, Reddit subs, or local meetups help you learn real-world tactics.
- Keep learning: read CVEs, follow security blogs, and try new tools in the lab.
Sample weekly learning plan (example)
- Week 1-2: OSINT basics, local network scanning, and simple CTFs.
- Week 3-4: Burp basics, web auth testing, and API requests.
- Month 2: Forensics basics, Wireshark traffic analysis, and mobile app inspection.
- Month 3+: Automation scripts, reverse engineering labs, and full pentest simulation.
Conclusion - what you’ll gain
Following this lab roadmap will take you from beginner to advanced, giving you the practical skills employers and research teams value. You’ll get hands-on experience with OSINT, pentesting, forensics, automation, and reverse engineering - all inside safe environments. If you want, I can build a week-by-week lab playbook or provide downloadable lab VM configs and step-by-step exercises. Let me know which part you want next! Last edited: