CTF 2023

1) Aupctf
https://aupctf.live

2) Altayctf
https://altayctf.ru

3) BSIDESTLV
https://bsidestlv.com/ctf/2023/

4) CTF HackTheBox
https://ctf.hackthebox.com/

5) Zer0pts
https://2023.ctf.zer0pts.com/

6) AmateusCTF
https://ctf.amateurs.team

7) CryptoCTF
https://cr.yp.toc.tf

8) Cybersecurity Rumble
https://cybersecurityrumble.de/2023/en

9) Hitcon CTF
http://ctf.hitcon.org

10) SecconCTF
https://www.seccon.jp/2023/

11) PingCTF
https://ctf.knping.pl

12) http://Hack.lu CTF
https://flu.xxx

13) CakeCTF
https://cakectf.com

14) Escape CTF
https://ctf.t3n4ci0us.kr

15) PatriotCTF
https://pctf.competitivecyber.club/

16) ASIS CTF 2023
https://asisctf.com

17) DeadFace CTF
https://ctf.deadface.io

18) Hacker101 CTF
https://ctf.hacker101.com

19) PicoCTF
https://picoctf.org

20) RingerZer0CTF
https://ringzer0ctf.com

21) SANS Netwars
https://www.sans.org/cyber-ranges/