Ethical hacking starts with fundamentals, not fancy tools. This guide gives beginners a sensible order of study — from networking to defensive security — and the safe environments where you can practice legally.
Home Lab Setup
- A laptop with at least 16 GB RAM and virtualization enabled
- A hypervisor such as VirtualBox, VMware Workstation Player, or Proxmox
- Kali Linux and a target VM (Metasploitable, DVWA, or a vulnerable Windows box)
- An isolated virtual network — never attack devices you don't own
Network Security Fundamentals
- TCP/IP, subnetting, and common ports
- How firewalls, NAT, and VPNs shape traffic
- Packet capture with Wireshark
- Common protocols: HTTP, DNS, SMB, LDAP
Defensive Security
Understanding defense makes you a better attacker — and more employable. Learn how detection works, so you know what leaves traces and what doesn't.
- SIEM basics with Wazuh, Elastic, or Splunk Free
- Endpoint telemetry: Sysmon on Windows, auditd on Linux
- The MITRE ATT&CK framework
Safe Practice Environments
- TryHackMe — beginner-friendly guided rooms
- Hack The Box — machines and Academy modules
- PortSwigger Web Security Academy — free web-app labs
- OverTheWire — classic wargames
Learning Resources
- CompTIA Security+ or Network+ as an on-ramp
- eJPT for a first hands-on penetration testing certification
- Official OWASP Top 10 documentation
Frequently Asked Questions
Do I need a computer science degree?+
No. Employers care about demonstrable skills, home labs, write-ups, and certifications more than degrees for entry-level offensive roles.
Is Kali Linux required?+
No. Kali is convenient, but you can achieve the same results with any Linux distribution and the right tools.
Where should I start?+
Networking fundamentals + a beginner TryHackMe path is a solid first month.
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