The ZeroDays competition was a competition held in UCD centred around cybersecurity. I was put into a team of 4 people and together we had to try to hack into the various websites or encrypted data that was created.
There were also several other activities that you could do, such as the zero-latency VR or the lockpicking workshop.
The event was very fun for me as it allowed me to use my knowledge in HTML and JavaScript to solve some of the problems.