Defence Scenario: Cyber Polygon 2020 Technical Exercise Write-up


Core Mechanics

Checker is the mechanics that allowed us to check if the teams’ services were fully functional. Since the game service simulated a real web application, the checker was also used to ensure compliance with the rules of the game: the participants could not simply turn off the service or disable some of its features, all they could do was defend their segments against Red Team attacks.

Infrastructure and Game Service


Insecure Direct Object References

Command Injection

Security Misconfiguration

JWT Signature Algorithm Change

YAML Insecure Deserialisation




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