Free Labs to Train Your Pentest / CTF Skills
1. Academy Hackaflag -BR - https://academy.hackaflag.com.br
2. Try Hack Me - https://tryhackme.com
3. Attack-Defense - https://attackdefense.com
4. Alert to win - https://alf.nu/alert1
5. CTF Komodo Security - https://ctf.komodosec.com
6. CMD Challenge - https://cmdchallenge.com
7. Explotation Education - https://exploit.education
8. Google CTF - https://capturetheflag.withgoogle.com
9. HackTheBox - https://www.hackthebox.eu
10. Hackthis - https://www.hackthis.co.uk
11. Hacksplaining - https://www.hacksplaining.com/exercises
12. Hacker101 - https://ctf.hacker101.com
13. Hacker Security - https://capturetheflag.com.br
14. Hacking-Lab - https://www.hacking-lab.com/index.html
15. HSTRIKE - https://hstrike.com
16. ImmersiveLabs - https://immersivelabs.com
17. Labs Wizard Security - https://labs.wizard-security.net
18. NewbieContest - https://www.newbiecontest.org
19. OverTheWire - http://overthewire.org
20. Practical Pentest Labs - https://practicalpentestlabs.com
21. Pentestlab - https://pentesterlab.com
22. Penetration Testing Practice Labs - http://www.amanhardikar.com/mindmaps/Practice.html
23. PentestIT LAB - https://lab.pentestit.ru
24. PicoCTF - https://picoctf.com
25. PWNABLE - https://pwnable.kr/play.php
26. Root-Me - https://www.root-me.org
27. Root in Jail - http://ctf.rootinjail.com
28. Shellter - https://shellterlabs.com/pt
29. SANS Challenger - https://www.holidayhackchallenge.com
30. SmashTheStack - http://smashthestack.org/wargames.html
31. Try Hack Me - https://tryhackme.com
32. The Cryptopals Crypto Challenges - https://cryptopals.com
33. Vulnhub - https://www.vulnhub.com
34. W3Challs - https://w3challs.com
35. WeChall - http://www.wechall.net
36. Zenk-Security - https://www.zenk-security.com/epreuves.ph