Getting started in cybersecurity

Linux, SQL, then hands-on web security labs: the foundations of offensive and defensive practice, for free.

5 steps · Curated by OuraGrove Admin

Step 1
BeginnerCourseEnglish▲ 14 votes
Linux Journey
A gentle, well-sequenced free course on Linux: the shell, processes, permissions, networking and packages.
Cloud & DevOps LinuxFree
Step 2
BeginnerInteractiveEnglish▲ 20 votes
SQLBolt
Interactive SQL lessons and exercises that run in the browser — the fastest path from zero to confident SELECTs and JOINs.
Data & Data Science SQLFree
Step 3
IntermediateInteractiveEnglish▲ 27 votes
PortSwigger Web Security Academy
Free, hands-on labs covering the whole of web security — XSS, SQL injection, auth flaws — from the makers of Burp Suite.
Security Web SecurityFree with limits: Requires a free account to track lab progress
Step 4
IntermediateDocumentationEnglish▲ 16 votes
OWASP Cheat Sheet Series
Concise, actionable secure-coding guidance for dozens of topics, maintained by the OWASP community.
Security Web SecurityFree
Step 5
AdvancedInteractiveEnglish & French▲ 23 votes
Root Me: Hacking & Security Challenges (French)
500+ security challenges with strong French-language coverage: web, crypto, forensics, networking. A francophone security-training reference.
Security Web Security LinuxFree with limits: Core challenges free; premium solutions optional