Changes
CTF
,/* Information */
* [http://captf.com/calendar/ CTF Calendar]
* [http://www.endgame.com/blog/how-to-get-started-in-ctf.html How to get started in CTF]
* [https://www.youtube.com/watch?v=ECMExVt1lbI Why you should capture the flag] (50mn talk)
== Online challenges ==
