Free · practitioner-written · no signup
Learn cybersecurity the way it’s actually practised.
Structured learning paths in web security, bug bounty, network defense and more — clear lessons with real payloads, honest impact, and no fluff.
5
learning paths
11
lessons
$0
forever
Learning paths
11 lessons live · more weeklyBeginner
Web Application Security
The bread and butter — how web apps break, from HTTP basics to XSS, SQLi and access control.
5 lessons· 5 live
Beginner
Bug Bounty Hunting
Turn skills into income — programs, scope, recon at scale, and reports that actually get paid.
3 lessons· 3 live
Intermediate
Network Security & Defense
Ports, protocols, TLS, firewalls and detection — how networks are attacked and hardened.
1 lessons· 1 live
Advanced
Malware Analysis
Safely analyse malicious code — static triage, dynamic sandboxing, and reading what it really does.
1 lessons· 1 live
Intermediate
Cloud Security
IAM, storage, metadata and misconfigurations across AWS, GCP and Azure.
1 lessons· 1 live
Learn responsibly
Everything here is for defenders and authorised testing. Only ever test systems you own or have explicit permission to assess.