Chaostreff Osnabrück
The Chaostreff Osnabrück e.V. is a group of people interested in topics like security, cryptography, alternative operating systems, free (libre) software, internet related politics and what else comes to mind.
![c8828e4e-d74a-4e50-a46e-3976af455836/banner/ctreffos-logo.png c8828e4e-d74a-4e50-a46e-3976af455836/banner/ctreffos-logo.png](https://usercontent.events.ccc.de/congress/2023/usercontent/c8828e4e-d74a-4e50-a46e-3976af455836/banner/ctreffos-logo.png)
Contacts
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