Networking Fundamentals (TCP/IP)
Linux & Command Line
Operating System Security
Cryptography Basics
Web Application Security (OWASP)
Network Security & Firewalls
Penetration Testing Basics
Ethical Hacking (Kali Linux)
SIEM & Log Analysis
Vulnerability Assessment
Incident Response & Forensics
Cloud Security (AWS/Azure)
Identity & Access Management
Security Certifications (CEH/CISSP)