CTF Game Times



SHA2017 CTF Sat, 05 Aug. 2017, 10:00 UTC — Sun, 06 Aug. 2017, 22:00 UTC Jeopardy On-line 90 teams will participate
HackIT CTF 2017 Fri, 25 Aug. 2017, 14:00 UTC — Sun, 27 Aug. 2017, 14:00 UTC Jeopardy On-line 11 teams will participate
HackCon 2017 Fri, 25 Aug. 2017, 21:00 UTC — Sat, 26 Aug. 2017, 21:00 UTC Jeopardy On-line 26 teams will participate


There are two main types of Capture the Flags (CTFs) challenges:

  • Jeopardy-style CTFs consisting of completing different challenges from a broad range of categories in order to earn points
  • Attack-defence CTFs consisting of two teams, one team who defends a network or server, and another who attack it.

Jeopardy-style CTF

Jeopardy-style competitions usually involve multiple categories of problems, each of which contains a variety of questions of different point values and difficulties. Teams attempt to earn the most points, but do not directly attack each other. Rather than a race, this style of game play encourages taking time to approach challenges and prioritizes quantity of correct submissions over the timing.

Attack-defence CTF

In an attack-defense style competition, each team is given a task to defend a network or server and the other will attack it. Depending on the nature of the particular CTF game, teams may either be attempting to take an opponent’s flag from their machine or teams may be attempting



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