The Capture the Flag competition consists of a series of challenges of various difficulty levels.
For each challenge solved you will get a text-based key, called a "flag".
Each flag can be worth a different amount of points depending on the challenge's difficulty level.
Each participant can go solo or in teams and register their flags collected.
The individual or team with the most points (not the most flags) collected at the end of the competition wins!
Have a look at the CTF survival guide.
A set of challenges will also be solvable at the venue itself.
Typically the Disobey participant badge has been somehow crucial in getting started.
To say more would be to spoil the fun!
Antti Virtanen, CISO at Solita Oy
Jarno Niemelä, Principal Researcher at F-Secure
Antti Kurittu, DFIR team lead at Nixu
Juho 'whois' Jauhiainen, Senior Security Consultant at Nixu
Mika, Security Consultant at Nixu
Timo Miettinen, Senior Security Consultant at Nixu
Topias Uotila, Nordcloud
Osku, Chief Security Engineer at Sanoma
Chris Hernandez, Red Team Manager at Code42
Ilias 'A2nkF' Morad
Simon 'Plantprogrammer' Schliesky
Eran Zimmerman Gonen, Engineering Lead of Accenture Security Israel
Giovanni 'iGio90' Rocca, Programmer and reverse engineer at Overwolf
Chris Kubecka, CEO at HypaSec
Gabriela Limonta, Security Researcher at Nokia Bell Labs
Helinä Turunen, Social engineering translator
Petar 'Hetti' Kosic
Kirils Solovjovs, Lead Researcher at PossibleSecurity.com
Markus Forsström, Security Fellow at LähiTapiola
Anne Oikarinen, Senior Security Consultant at Nixu
Tuisku Sarrala, Senior Privacy Consultant at Nixu
Jussi 'TuoJussi' Tuovinen, Principal research scientist
Kimmo Frilander, Planning officer
Niklas Särökaari, Senior Security Consultant at F-Secure Consulting
Henri Nurmi, Security Consultant at F-Secure Consulting
Rasmus 'razu' Männa, Transferwise
Taavi Sonets - "The expert.", Clarified Security
Riku Juurikko, Senior Security Manager at Elisa
Lauri 'OpEs' Vakkala, Security analyst at Silverskin Information Security
Thanh Bui, Security Consultant at Nixu
Sid Rao, Security researcher at Aalto University
Markku Antikainen, Security researcher at Aalto University
Karoliina Kemppainen, Software developer at Traficom
Kimmo Linnavuo, Erno Kuusela, Niklas Saari
Liisa Tallinn, SpectX
Timo Hirvonen, Senior Security Consultant, F-Secure Consulting
Robert Bearsby, Senior Security Consultant, F-Secure Consulting
Jayson E. Street
Heikki Juva, Hardware hacker, cyber hand model, badge-team lead since 2016