Fundamentals
Core concepts every security-minded developer should know.
Key Concepts
The CIA Triad
Confidentiality: Only authorized access.
Integrity: Data untampered.
Availability: Systems accessible.
Threat Actors
Script Kiddies → Hacktivists → Cybercriminals → Nation States
Attack Vectors
Phishing, Malware, SQL Injection, XSS, DDoS — all exploit different weaknesses.