Master cybersecurity from networking basics to ethical hacking, forensics, and blockchain security.
TCP/IP, OSI model, routing, DNS, HTTP/HTTPS, firewalls, and VPNs.
Linux/Windows security: permissions, hardening, auditing, and forensics.
Symmetric/asymmetric encryption, hashing, digital signatures, PKI, and TLS.
OWASP Top 10, XSS, SQL injection, CSRF, SSRF, authentication bypasses.
Reconnaissance, scanning, exploitation, post-exploitation, and reporting.
IDS/IPS, SIEM, Wireshark, Zeek, firewall configuration, and incident response.