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Corelight's Online CTF Tournament

Round 1

Sign up to compete in Round One of Corelight's online capture the flag (CTF) tournament for a chance to win awesome prizes and claim the tournament title.

Players will race to answer Zeek-based security challenges in Splunk or Elastic with points earned for accuracy and speed. The top three finishers of each preliminary round game will receive an invite to a final Corelight CTF Champions Round where they'll compete with dozens of past Corelight CTF winners for the ultimate prize. 

Note: If you've played past Corelight online CTF games you've already seen content featured in Round One so we kindly invite you to skip to Round Two, which has *brand new* challenges. Players do not need to participate in both rounds in order to qualify for the Champions Round.

CTF Tournament Schedule

  • Round One: open to all; games held July 14th & 16th  
  • Round Two: open to all; games held July 21st & 23rd 
  • Champions Round: invitation only; games held week of July 27th TBA

CTF Tournament Prizes

  • 1st place - $500 Amazon gift card & Corelight jacket 
  • 2nd place - $250 Amazon gift card & Corelight backpack 
  • 3rd place - $100 Amazon gift card & Corelight water bottle 

Sign up now to secure your FREE spot to compete in Round 1 >>


Corelight makes powerful network security monitoring solutions that transform network traffic into rich logs, extracted files, and security insights for incident responders and threat hunters. Corelight Sensors run on open-source Zeek (formerly called “Bro”) and simplify Zeek deployment and management while expanding its performance and capabilities.