42
TOPICS
Professional cybersecurity academy
Master cybersecurity skills with a world-class curriculum
Welcome back. Continue across 42 topics and 2164 lessons — labs, quizzes, and real-world security scenarios.
Learn across 42 structured topics and 2164 lessons with hands-on labs, quizzes, and real-world security scenarios — completely free to start, no login required.
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430
MODULES
2,164
LESSONS
Free
ALWAYS
Official Android App Live on Google Play
Solve Labs on PC with Mobile AI Mentor by Your Side
Don’t waste precious PC screen space switching browser tabs. Keep your terminal full-screen on your computer while chatting with the Cyberlium AI Mentor on your Android phone for real-time exploit hints, command syntax, and instant CTF assistance!
🤖
Real-Time Lab Hints
Stuck on SQLi or XSS? Ask your phone for the next step without breaking concentration.
⚡
Zero Tab Switching
Terminal & browser stay 100% focused on your monitor while your phone serves as your personal copilot.
🔐
90+ Cheat Sheets
Instant one-tap copy for Nmap, Metasploit, Reverse Shells, and Active Directory commands.
✨
Daily Cyber Bites
Flip through ports & cybersecurity flashcards daily to keep your ethical hacking fundamentals sharp.
Cybersecurity Course Cyberlium
Official Android App·Google Play
Scan with your phone camera
Instantly opens the Play Store page on your Android device
Dual-Screen Companion: PC for labs + Phone for 24/7 AI Mentor!
Security tools
Quick lookups
Search CVE, CISA KEV, and MITRE ATT&CK without leaving Cyberlium.
On Cyberlium
No account API keys required for these lookups.
More tools
Have I Been Pwned, VirusTotal, Shodan, AbuseIPDB, and more
OSINT Framework
Free OSINT directories — browse by category
All cybersecurity topics
Browse the full 42-topic curriculum — defensive, offensive, and specialty paths.
BEGINNER
Cybersecurity Fundamentals with AI
CIA, hygiene, and ethics — plus AI-era threats and AI Mentor habits for beginners
Defensive Security
1,000 XP
BEGINNER
Linux Fundamentals with AI
Terminal, permissions, and automation — with AI-assisted command literacy (lab-safe)
Offensive & Defensive
1,200 XP
BEGINNER
Networking Basics with AI
TCP/IP, DNS, and troubleshooting — plus AI-assisted analysis of YOUR captures/notes
Offensive & Defensive
1,100 XP
BEGINNER
Python for Security with AI
Scripts for logs and localhost — using AI copilots safely without leaking secrets
Offensive & Defensive
1,000 XP
INTERMEDIATE
CEH v13 with AI
Ethical hacking across 20 CEH v13 domains — original Cyberlium path with AI Mentor; not official EC-Council training
Offensive Security
4,000 XP
INTERMEDIATE
OSINT with AI
Open-source intelligence workflows — AI for YOUR notes, never doxxing others
Offensive & Defensive
2,000 XP
ADVANCED
Bug Bounty Hunting with AI
Program scope, reporting, and AI-assisted triage inside published bounty rules
Offensive Security
2,000 XP
PROFESSIONAL
SOC Level 1 with AI
Alert triage and playbooks — AI as a junior analyst assistant, human verifies
Defensive Security
2,000 XP
Built for serious learners
No login required
Start learning instantly. Browse every topic and lesson without creating an account.
Structured curriculum
From fundamentals to advanced offensive security and certification prep across 42 professional topics.
Hands-on learning
Interactive quizzes, knowledge checks, and encryption labs reinforce every concept you study.
Progress & leaderboard
Log in to earn XP, complete modules, and compete on the global Cyberlium leaderboard.
Frequently asked questions
Is Cyberlium really free?
Yes. All lessons are free to read and learn. Sign in to save progress, earn XP, and appear on the leaderboard.
Do I need experience to start?
No. Begin with Cybersecurity Fundamentals, Linux, and Networking before moving to ethical hacking topics.
Does this help with CEH or OSCP?
Cyberlium includes ethical hacking, penetration testing, and certification-aligned study paths to support exam prep.
Free Cybersecurity & Ethical Hacking Courses Online
Cyberlium is a professional cybersecurity learning platform for beginners, students, and security professionals worldwide. Learn network security, Linux administration, cryptography, malware analysis, SOC operations, cloud security, bug bounty hunting, penetration testing, digital forensics, and certification preparation — with structured modules, interactive quizzes, and hands-on labs. Whether you are starting your first security role or preparing for CEH, OSCP, or Security+, Cyberlium gives you a clear path from fundamentals to advanced offensive and defensive skills.
Cybersecurity Fundamentals with AI
- Introduction to Cybersecurity
- The CIA Triad
- Access Control & Identity
- Encryption & Data Security
- +6 more modules
Linux Fundamentals with AI
- Linux Introduction
- Basic Commands
- Users & Permissions
- Networking Commands
- +6 more modules
Networking Basics with AI
- OSI & TCP/IP Model
- IP Addressing
- Protocols
- Transport & Ports
- +6 more modules
Python for Security with AI
- Python Basics for Hackers
- Networking with Python
- Automation & Tools
- Safe Scripting Habits
- +6 more modules
CEH v13 with AI
- Introduction to Ethical Hacking
- Footprinting and Reconnaissance
- Scanning Networks
- Enumeration
- +16 more modules
Malware Analysis with AI
- Analysis Mindset and Lab
- Malware Families Literacy
- Static Analysis Basics
- Strings and Hashing
- +6 more modules
SOC Level 1 with AI
- SOC Mindset and Lab
- SOC Fundamentals
- SIEM Literacy
- Log Sources
- +6 more modules
Cloud Security with AI
- Cloud Mindset and Lab
- Shared Responsibility
- AWS IAM Literacy
- AWS Data and Logging
- +6 more modules
Bug Bounty Hunting with AI
- Bounty Mindset and Rules
- Platforms and Programs
- Scope Literacy
- Recon for Bounty
- +6 more modules
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