NEW REPOSITORY: https://github.com/michelbernardods/programming-challenges
Free Labs to Train Your Pentest / CTF Skills
-> Academy Hackaflag -BR https://academy.hackaflag.com.br
-> Try Hack Me https://tryhackme.com
-> Attack-Defense https://attackdefense.com
-> alert to win https://alf.nu/alert1
-> CTF Komodo Security https://ctf.komodosec.com
-> CMD Challenge https://cmdchallenge.com
-> Explotation Education https://exploit.education
-> Google CTF https://capturetheflag.withgoogle.com
-> HackTheBox https://www.hackthebox.eu
-> Hackthis https://www.hackthis.co.uk
-> Hacksplaining https://www.hacksplaining.com/exercises
-> Hacker101 https://ctf.hacker101.com
-> Hacker Security https://capturetheflag.com.br
-> Hacking-Lab https://www.hacking-lab.com/index.html
-> HSTRIKE https://hstrike.com
-> ImmersiveLabs https://immersivelabs.com
-> Labs Wizard Security https://labs.wizard-security.net
-> NewbieContest https://www.newbiecontest.org
-> OverTheWire http://overthewire.org
-> Practical Pentest Labs https://practicalpentestlabs.com
-> Pentestlab https://pentesterlab.com
-> Penetration Testing Practice Labs http://www.amanhardikar.com/mindmaps/Practice.html
-> PentestIT LAB https://lab.pentestit.ru
-> PicoCTF https://picoctf.com
-> PWNABLE https://pwnable.kr/play.php
-> Root-Me https://www.root-me.org
-> Root in Jail http://ctf.rootinjail.com
-> Shellter https://shellterlabs.com/pt
-> SANS Challenger https://www.holidayhackchallenge.com
-> SmashTheStack http://smashthestack.org/wargames.html
-> Try Hack Me https://tryhackme.com
-> The Cryptopals Crypto Challenges https://cryptopals.com
-> Vulnhub https://www.vulnhub.com
-> W3Challs https://w3challs.com
-> WeChall http://www.wechall.net
-> Zenk-Security https://www.zenk-security.com/epreuves.php