** https://events.ccc.de/2022/06/14/37c3-in-hamburg/
* Blog: https://events.ccc.de/category/37c3/
* Wiki: https://events.ccc.de/congress/2022/wiki/Main_Page
* GSM/DECT: https://www.eventphone.de/guru2/
* Discussion: https://chat.fixme.ch/fixme/channels/20_37c3