10 principais overthewire.org concorrentes

tryhackme.com

TryHackMe is a free online platform for learning cyber security, using hands-on exercises and labs, all through your browser!

hackthebox.com

HTB University CTF Part #3! Every year, we gather academic students from all over the world to compete in a real-time hacking competition. Can your university capture the flag?

portswigger.net

PortSwigger offers tools for web application security, testing & scanning. Choose from a wide range of security tools & identify the very latest vulnerabilities.

labex.io

LabEx offers free hands-on labs for Linux, DevOps, Cybersecurity, Programming, and Data Science. Master practical skills through real-world projects and interactive courses. Start learning today!

netacad.com

Cisco Networking Academy is a skills-to-jobs program shaping the future workforce. Since 1997, we have impacted over 20 million learners in 190 countries.

github.com

Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity.

stackoverflow.com

Stack Overflow | The World’s Largest Online Community for Developers

reddit.com

reddit is a network of communities where people can dive into their interests, hobbies and passions. there's a community for whatever you're interested in on reddit.

jhalon.github.io

Happy Holidays and a Happy New Year 2017 readers! Thanks for joining me today as we go over the SANS 2016 Holiday Hack Challenge! Which honestly, was the most fun I ever had!