Andy .ical Intervention 30/12 11:30 40minutes What the flag is CTF? Andy Every year since 2011 on the 28C3 we organize a Capture the Flag contest for people on the Congress and from all over the world. This year we want to give you an overview about what a CTF is, the challenges, the players, the community and how much fun it is to play (not only our) CTF. Security Adams