🔐 Cybersecurity Learning & Practice Resources

A collection of helpful resources I’ve used or come across on my journey in cybersecurity, software development, and blockchain security. More focused on hands-on learning, ethical hacking, and beginner-friendly content.

📘 Courses & Training Platforms

Cisco Networking Academy – Cybersecurity Essentials

Intro to core cybersecurity concepts from a globally respected platform.
Google Cybersecurity Professional Certificate – Coursera

Structured course for total beginners (includes hands-on labs via Qwiklabs).
Professor Messer’s Security+ (SY0-701) Training

Free, high-quality video series aligned to CompTIA Security+.
IBM Cybersecurity Analyst – Coursera

Covers threat intelligence, SIEM, and incident response basics.

🧪 Hands-On Platforms

TryHackMe

Interactive cybersecurity labs covering pentesting, Linux, networking, and more.
Hack The Box (HTB)

Challenging real-world machines for pentesting and CTF skill growth.
CTFRoom

Offers immersive Capture The Flag (CTF) challenges, cyber-drills, and exercises for cybersecurity professionals
PicoCTF

Beginner-friendly CTFs from Carnegie Mellon University — perfect for learning fundamentals.
PortSwigger Web Security Academy

Free labs to practice web app hacking using Burp Suite (XSS, SQLi, SSRF, etc.).
OverTheWire

Classic CTF wargames like Bandit and Narnia for Linux privilege escalation and scripting.

Write the Docs

A community and resource hub for writing technical documentation.
Google Technical Writing for Developers

Free course to sharpen your cybersecurity blog writing and reporting skills.
Hashnode

Developer-focused blogging platform, great for publishing infosec content.

📚 Reference & Tools

Exploit-DB – Public database of exploits and CVEs
MITRE ATT&CK – Framework for understanding adversary behavior
CyberChef – Web-based tool for encoding, decoding, hashing, and analysis
GTFOBins – Privilege escalation using Unix binaries
PayloadsAllTheThings – Collection of payloads, techniques, and cheat sheets

🖥️ Software Development Resources

freeCodeCamp
One of the best free platforms to learn full-stack web development, JavaScript, Python, and more, with interactive projects.
The Odin Project
A full curriculum for aspiring web developers, covering HTML/CSS, JavaScript, Node.js, and more — all project-based and free.
Frontend Mentor
Real-world UI challenges to practice HTML/CSS/JavaScript — great for frontend devs.
JavaScript.info
Deep dive into JavaScript fundamentals with interactive examples and advanced guides.
MDN Web Docs
Official documentation for web standards — essential reference for developers.

🔗 Blockchain & Smart Contract Security

🚀 Learning Platforms & Security Training

Cyfrin Updraft
Hands-on smart contract security challenges designed to teach secure Solidity coding and exploitation.
Ethernaut (by OpenZeppelin)
Web3-based wargame to practice hacking smart contracts in Solidity.
Secureum Bootcamp
Smart contract security training + quizzes designed for auditing and EVM security.
Damn Vulnerable DeFi
A set of DeFi-focused CTFs for learning how to break real smart contracts.
Solidity by Example
Collection of Solidity tutorials and contract patterns — great for new devs.

🧠 Auditing & Analysis Platforms

Code4rena
Competitive audit contests with real-world protocols — open to community reviewers and auditors.
Sherlock
Audit competitions and bounty-based reviews of live smart contracts.
Spearmint
Practice audit reports and open reviews of past contests — great for learning audit structure.
Secure3
Decentralized audit marketplace + leaderboard system for tracking audit participation.
DeFiHackLabs
Real DeFi hacks recreated for learning — includes writeups and vulnerable contracts.

Command Palette