![Red triangle pointed down :small_red_triangle_down: 🔻](https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/1f53b.png)
Academy Hackaflag (Spanish) 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
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/
WHO4REYOU https://34.73.111.210
WeChall http://www.wechall.net/
Zenk-Security https://www.zenk-security.com/epreuves.php
![Check mark button :white_check_mark: ✅](https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/2705.png)
![Check mark button :white_check_mark: ✅](https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/2705.png)