CTF Resources (100% HeadHit)

[+] CTF Calender:
http://ctftime.org

[+] Write-ups to learn CTF
https://github.com/ctfs/

[+] How to start CTF
https://trailofbits.github.io/ctf/

[+] Starter CTF
https://picoctf.com
https://ctf.tamu.edu
https://www.easyctf.com/

[+] Hard CTF
http://plaidctf.com
https://ctf.hitcon.org
https://ctf.csaw.io/
http://dragonsector.pl/

[+] PHP Challenge (Real World CTF)
https://hackmd.io/s/rJlfZva0m

[+] Networking / Linux Challenges
http://overthewire.org/wargames/

[+] VPS (Virtual Private Server)
https://digitalocean.com

[+] Hack The Box (Pentesting style CTF)
http://hackthebox.eu

[+] Web Application CTF
http://websec.fr

[+] Binary Exploitation CTF
https://pwnable.kr
https://pwnable.tw

[+] Reverse Engineering CTF
https://reversing.kr

[+] Cryptography
https://cryptopals.com
https://www.coursera.org/learn/crypto

[+] InfoSec Youtube Channels:
https://www.youtube.com/user/GynvaelE...
https://www.youtube.com/channel/UClcE...
https://www.youtube.com/user/OpenSecu...
https://www.youtube.com/channel/UC--D...
https://www.youtube.com/channel/UCSLl...

[+] For Security News:
https://www.reddit.com/r/netsec
https://www.reddit.com/r/securityCTF