Cyber Battle of Estonia 2021

Cyber Battle of Estonia 2021 was for all 15-21-year-olds in Estonia, who wanted to make their first great steps in cyber security.

It was a series of cyber security events - boot camp, regional capture the flag qualifier, and final competition, which took place in Tartu on October 30th, 2021, hosted by Karl-Erik Taukar and broadcasted at Telia Inspira TV.

In the year 2021, we visited 5 cities across Estonia (Tallinn, Tartu, Pärnu, Paide, Narva) with boot camps and regional CTF events and onboarded over 500 new users to the cyber talent community. We believe that it does not matter if you have little or zero experience in the field, we can give you the first knowledge and inspire you to learn new skills in the world of cyber security.

Final round date

October 30th, 2021

Event location

University of Tartu Sports Hall

Nr. of teams

15 teams on the battleground and 5 international teams who joined virtually (5 members per team)

Type of the event

Capture the Flag

Events organized

Boot camp training
Pre-qualifier round
Final round

Game format

Jeopardy. The CTF was not an average Jeopardy-style game, but an action story where the teams took the role of vigilant white hat hackers in a home, city, and airspace that was under the attacks.

CTF's storyboard

Teams had to solve attacks in three categories - smart home, smart city, and smart airspace. They had to put their skills into good use under heavy pressure, as the story escalated from category to category where all challenges were related.

Challenges, the teams needed to face were related to everyday life-supporting systems and services like - networks, smart fridges, smart mailbox, locations on a map, city lights, crosswalks, self-driving cars till the weather data, and flight plans that may affect the work at the air control unit.

Challenge categories

  • Web
  • Digital forensics
  • Cryptography
  • Steganography
  • Network packet capture analysis
  • Scripting

Partners and sponsors

  • CybExer Technologies
  • ByteLife Solutions
  • City of Tartu, main government sponsor
  • City of Tallinn
  • City of Pärnu
  • City of Paide
  • Utilitas
  • University of Tartu Institute of Computer Science
  • University of Tartu Youth Academy
  • Telia
  • SK ID Solutions
  • Admirals
  • Samsung
  • Cisco
  • Auvetech
  • Coca-Cola
  • Eesti Lennuakadeemia
  • Thinnect
  • Põhjamaade Ministrite Nõukogu
  • Confido
  • Alexela
  • Parcelsea
  • Bercman Technologies
  • TalTech
  • KredEx
  • Startup Estonia
  • Hansab
  • Elmo Rent
  • Cybers
  • Arrow ECS


Cyber Battle of Estonia pre-events overview

Cyber Battle of Estonia 2021 After Movie