The competition is a staple of the annual cybersecurity conference, which is one of the largest events of its kind in Ireland. The decadent ballroom, with its chandeliers and rich furnishings often reserved for weddings and other formal occasions, is playing host to the IRISSCON 2016 capture the flag competition. While the much-anticipated competition does not officially start for another hour, several teams of eager competitors embraced the cold Irish winter morning and arrived well ahead of time at the venue, trusted laptops and well-worn network switches in hand, ready to play. 24 in the Grand Ballroom of the Ballsbridge Hotel in Dublin. Violation of these rules may result in restrictions or even elimination from the competition. In the interest of contest integrity and respect for the game platform, CTF ground rules are shared with participants prior to the event. Like many sporting events, prizes are commonly awarded for first, second and third place. The winner is usually the team or individual with the most points at the end of the game. Combining jeopardy and attack-defense styles, successful teams must strategically divide their efforts and play to each of their member’s strengths by completing security challenges while simultaneously hacking into target vulnerable systems, maintaining access to these machines and defending them against their competitors. To gain points, a team can maintain ownership of as many systems as possible while denying access to the other competing teams.įinally, a mixed CTF is arguably the most challenging for participants. In an attack-defense CTF competition, teams must capture and defend vulnerable computer systems, typically hosted on virtual machines in an isolated network. For each challenge a team completes, a specific number of points is rewarded. Typical tasks are related to networking, programming, applications, mobile, forensics, reverse engineering and cryptography. In a jeopardy CTF format, teams must complete as many cybersecurity challenges as they can from a given selection, testing their skills and knowledge on a diverse range of computer security categories in novel and creative ways.
The most popular styles are jeopardy, attack-defense and a mix of the two.
There are several variations on the capture the flag format. A CTF competition may take a few short hours, an entire day or even multiple days.ĬTF competitions have elevated from their humble roots to reach sport-level status, with thousands of individual games and leagues now taking place every year across the globe - including the annual DEF CON competition, one of the most prestigious CTF events in the world. Typically, these competitions are team-based and attract a diverse range of participants, including students, enthusiasts and professionals. A capture the flag (CTF) contest is a special kind of cybersecurity competition designed to challenge its participants to solve computer security problems and/or capture and defend computer systems.
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