Cybersecurity
Defensive security fundamentals and best practices — protect systems, data and people.
Security Fundamentals & Best Practices
The CIA triad, defence in depth, least privilege and the habits that keep systems safe.
Web Application Security (OWASP)
The OWASP Top 10 risks and how to write code that resists injection, XSS and broken access control.
Applied Cryptography
Hashing, symmetric vs asymmetric encryption, TLS and digital signatures — used correctly.
Network & Infrastructure Security
Firewalls, segmentation, VPNs, IDS/IPS and hardening for resilient infrastructure.