Security Fundamentals
Hands-on security engineering: authentication, common vulnerabilities, encryption, and incident response.
Subject: Security · Roles: Cloud Security Engineer, Cybersecurity Engineer, Identity and Access Management (IAM) Engineer, Network Engineer, Security Architect
Concepts
Authentication vs. Authorization
Proving who you are versus what you're allowed to do — and the protocols behind each.
Common Web Vulnerabilities (OWASP Top 10)
The most common web application security risks, and the concrete pattern behind each one.
Encryption Fundamentals
Symmetric vs. asymmetric encryption, hashing, and how TLS combines them.
Network Security Basics
Firewalls, VPNs, and network segmentation — the perimeter and internal controls that limit blast radius.
Incident Response Basics
The standard phases of handling a security incident, from detection through lessons learned.
Security Monitoring & Logging
What to log, how SIEMs correlate it, and the difference between detection and prevention controls.