We build innovative Capture the Flag games that pit hackers from around the world against the smartest analog adversaries and computerized challengers known.
The future of Capture the Flag is now, and it's never been brighter.
Midnight UTC, May 21, 2016
Midnight UTC, May 23, 2016
Witness the top hackers in the world battle it out head-to-head live at DEF CON in Las Vegas.
August 5, 2016
August 7, 2016
DEF CON CTF Finals will be held in the Bally's Event Center / DEF CON Contest Area, from August 5 to August 7.
Visit the DEF CON site for more information.
|DEF CON CTF 2015||DEFKOR|
|Boston Key Party||HITCON|
|DEF CON CTF 2016 Qualifiers||PPP|
|DEF CON CTF 2016 Qualifiers||侍|
|DEF CON CTF 2016 Qualifiers||9447|
|DEF CON CTF 2016 Qualifiers||KaisHack GoN|
|DEF CON CTF 2016 Qualifiers||binja|
|DEF CON CTF 2016 Qualifiers||Shellphish|
|DEF CON CTF 2016 Qualifiers||Dragon Sector|
|DEF CON CTF 2016 Qualifiers||!SpamAndHex|
|DARPA Cyber Grand Challenge||Find out August 4, 2016|
Legitimate Business Syndicate is proud to have run some of the most well-regarded hacking contests in the world.