Resources
The arsenal to get started.
A curated hub of learning resources — from fundamentals to advanced specialties.
FundamentalsBeginner
Cybersecurity Fundamentals
Core concepts: CIA triad, threat models and basic defense.
Open resourceEthical HackingAdvanced
The Web Application Hacker's Handbook
Definitive guide to web application penetration testing.
Open resourceCTFBeginner
picoCTF Practice Archive
Beginner-friendly CTF challenges across many categories.
Open resourceLinuxBeginner
Linux Command Line Mastery
Essential shell skills every security practitioner needs.
Open resourceNetworkingIntermediate
Computer Networking: A Top-Down Approach
Network layers, protocols and packet-level understanding.
Open resourceCryptographyAdvanced
Serious Cryptography
Applied modern cryptography from hashes to TLS and beyond.
Open resourceDigital ForensicsAdvanced
The Art of Memory Forensics
Memory analysis with Volatility for incident response.
Open resourceWeb SecurityIntermediate
PortSwigger Web Security Academy
Free interactive labs covering the full OWASP spectrum.
Open resourceCloud SecurityIntermediate
Cloud Security Engineering
Securing AWS, GCP and Azure workloads at scale.
Open resourceAI SecurityAdvanced
Adversarial Machine Learning
Attacking and defending ML systems in production.
Open resource