LearnHacking - aueb/automotivesec GitHub Wiki CTFs zum lernen https://ctftime.org/ https://overthewire.org/wargames/bandit/ https://crackmes.one/ https://jebidiah-anthony.github.io/chals/ctf/2019_TGHack/web/5_Wizardschat.html https://ctftime.org/ LiveOverflow https://www.youtube.com/channel/UClcE-kVhqyiHCcjYwcpfj9w/videos