Through the organization of the annual Catch competition, CESNET endorses the ideas of the Cyber Security Month, thus contributing to building a more secure Internet environment and cyberspace. The competition is organised by the CESNET Association.
Challenges
The story
Sailor training center
- VPN Access (1 point)
 - Treasure map (1 point)
 - Captain's coffee (1 point)
 - Ship web server (1 point)
 
Crew drills
- Sonar logs (2 points)
 - Regular cube (2 points)
 - Web protocols (2 points)
 - Alpha-Zulu quiz (3 points)
 
Troubles on the bridge
- Captain's password (2 points)
 - Navigation plan (3 points)
 - Keyword of the day (4 points)
 - Signal flags (5 points)
 
Below deck troubles
- Cat code (3 points)
 - Component replacement (3 points)
 - U.S.A. (5 points)
 - Suspicious traffic (5 points)
 
Miscellaneous
- Naval chef's recipe (2 points)
 - Arkanoid (5 points)