Open Battle CTF 2020

The 3-day hacking contest attracted students and hacking enthusiasts from across the globe. More than 150 participants from countries from all continents signed up for the event to take part in the CTF where they faced 42 various cyber security challenges.

The event was held fully online and was streamed live to YouTube, hosted by a popular Estonian recording artist and TV host Karl-Erik Taukar.

Final round date

April 24th - April 26th, 2020

Event location


Nr. of teams

over 150 individual players

Type of the event

Capture the flag

Events organized

Final round

Game format


Challenge categories

  • Web
  • Networking
  • Forensics
  • Packet capture analysis
  • Reverse engineering
  • Windows exploitation
  • Cryptography

Partners and sponsors

  • CybExer Technologies
  • Hack-in-the-Box