====== Capture The Flag (CTF) ======

===== Local usergroups =====
  * https://defcongroups.org/

===== HackMes / Wargames =====
  * [[https://www.pentesterlab.com]]
  * [[http://www.itsecgames.com]]
  * [[http://www.enigmagroup.org]]
  * [[http://smashthestack.org]]
  * [[http://3564020356.org]]
  * [[http://0x0539.net]]
  * [[https://www.root-me.org]] – webclient and webserver challenges can be done on the go, Capture The Flag, etc.
  * [[https://www.hackthebox.eu]]
  * [[https://www.hackthissite.org]]
  * [[http://overthewire.org]]
  * [[https://picoctf.com]]
  * [[https://www.vulnhub.com]]
  * [[http://www.dvwa.co.uk]]

===== General Practice =====
  * [[https://www.hackerrank.com/]] – Very good for learning programming, has on-the-go exercises
  * [[https://www.hacksplaining.com/|hacksplaining.com]]