Team stream stream is a CTF team at Uppsala university.

Capture the Flag (CTF) competitions are IT-security competitions where the competitors face problems related to web security, cryptography, reverse engineering and binary exploitation. The best defense against the Dark Arts is to know how they work! Read more here.

The team members usually meet monday evenings at Ångström to learn new concepts and solve problems together. Due to the COVID-19 situation, we have virtual online meetings every monday at 18:30. We often participate in CTF competitions. If you are intrested to know more and/or join, contact

This webpage is sometimes (when someone in the team feels ambitious) updated with posts about what we have gone through on our meetings.

2020 so far

The COVID situation has stopped us from having the regular face to face meetings, but we still have weekly meetings online.