# Practice,PRactice,PRActice
• [Backdoor](https://backdoor.sdslabs.co/) - Security Platform by SDSLabs.
• [Crackmes](https://crackmes.one/) - Reverse Engineering Challenges.
• [CryptoHack](https://cryptohack.org/) - Fun cryptography challenges.
• [echoCTF.RED](https://echoctf.red/) - Online CTF with a variety of targets to attack.
• [Exploit.Education](http://exploit.education) - Variety of VMs to learn variety of computer security issues.
• [Gracker](https://github.com/Samuirai/gracker) - Binary challenges having a slow learning curve, and write-ups for each level.
• [Hack The Box](https://www.hackthebox.eu) - Weekly CTFs for all types of security enthusiasts.
• [Hack This Site](https://www.hackthissite.org/) - Training ground for hackers.
• [Hacker101](https://www.hacker101.com/) - CTF from HackerOne
• [Hacking-Lab](https://hacking-lab.com/) - Ethical hacking, computer network and security challenge platform.
• [IO](http://io.netgarage.org/) - Wargame for binary challenges.
• [Microcorruption](https://microcorruption.com) - Embedded security CTF.
• [Over The Wire](http://overthewire.org/wargames/) - Wargame maintained by OvertheWire Community.
• [PentesterLab](https://pentesterlab.com/) - Variety of VM and online challenges (paid).
• [PicoCTF](https://2019game.picoctf.com) - All year round ctf game. Questions from the yearly picoCTF competition.
• [PWN Challenge](http://pwn.eonew.cn/) - Binary Exploitation Wargame.
• [Pwnable.kr](http://pwnable.kr/) - Pwn Game.
• [Pwnable.tw](https://pwnable.tw/) - Binary wargame.
• [Pwnable.xyz](https://pwnable.xyz/) - Binary Exploitation Wargame.
• [Reversin.kr](http://reversing.kr/) - Reversing challenge.
• [Ringzer0Team](https://ringzer0team.com/) - Ringzer0 Team Online CTF.
• [Root-Me](https://www.root-me.org/) - Hacking and Information Security learning platform.
• [ROP Wargames](https://github.com/xelenonz/game) - ROP Wargames.
• [SANS HHC](https://holidayhackchallenge.com/past-challenges/) - Challenges with a holiday themereleased annually and maintained by SANS.
• [SmashTheStack](http://smashthestack.org/) - A variety of wargames maintained by the SmashTheStack Community.
• [Viblo CTF](https://ctf.viblo.asia) - Various amazing CTF challenges, in many different categories. Has both Practice mode and Contest mode.
• [VulnHub](https://www.vulnhub.com/) - VM-based for practical in digital security, computer application & network administration.
• [W3Challs](https://w3challs.com) - A penetration testing training platform, which offers various computer challenges, in various categories.
• [WebHacking](http://webhacking.kr) - Hacking challenges for web.
• [CyberSec OSINT CTF](https://ctf.cybersoc.wales/) - easy OSINT CTF

# Read:
• https://www.hacksplaining.com/lessons
• https://digi.ninja/blog.php

# Watch:
• https://www.youtube.com/watch?v=jmgsgjPn1vs&list=PLhixgUqwRTjx2BmNF5-GddyqZcizwLLGP&index=1