Copilotfree, in-browser
Ask me anything about your lessons or your code.
“What is a port?” · “Why is my code erroring?”
Ask me anything about your lessons or your code.
“What is a port?” · “Why is my code erroring?”
A hand-picked list of places to keep learning beyond this site: practice platforms, creators, and tools. These are recommendations, not affiliations, and most are free.
Where to keep learning by doing, once you want more than this site.
HackTheBox
Hands-on hacking labs and machines, free and paid tiers.
TryHackMe
Guided, beginner-friendly security rooms and paths.
PortSwigger Web Security Academy
The best free web-app hacking labs, by the makers of Burp.
OverTheWire
Classic Linux and networking wargames over SSH.
picoCTF
Beginner capture-the-flag challenges from Carnegie Mellon.
Cryptopals
Learn crypto by breaking it, one challenge at a time.
Project Euler
Math and logic problems you solve by writing code.
Exercism
Free coding practice with mentorship in 70+ languages.
Channels worth your time on the Break side. Not affiliated.
LiveOverflow
Deep, honest explanations of how exploitation actually works.
IppSec
Detailed HackTheBox walkthroughs, a masterclass in methodology.
John Hammond
Malware analysis, CTFs, and practical security.
NetworkChuck
Energetic networking and hacking intros for beginners.
David Bombal
Networking, certifications, and interviews with pros.
Computerphile
Clear explainers on how computers and security work.
Channels for the Make side: code, hardware, and math.
freeCodeCamp
Full-length free courses on nearly every dev topic.
Fireship
Fast, sharp coverage of tools and web development.
Ben Eater
Builds a computer from scratch on breadboards. Elite electronics.
The Coding Train
Joyful creative coding, great for beginners.
3Blue1Brown
The most beautiful math explanations on the internet.
Sebastian Lague
Gorgeous deep dives into algorithms and simulations.
Free tools and references worth a bookmark.
CyberChef
The Swiss-army knife for encoding, decoding, and data.
Have I Been Pwned
Check whether your email turned up in a breach.
OWASP
The reference for web security risks and defenses.
MITRE ATT&CK
The map of real attacker tactics and techniques.
MDN Web Docs
The definitive reference for the web platform.
Longer-form learning.
Know a resource that belongs here? Suggest it in the Community tab.