https://media.ccc.de/c/34c3 Some very cool talks in there. https://www.youtube.com/results?search_query=34c3 https://events.ccc.de/congress/2017/wiki/index.php/Main_Page https://fahrplan.events.ccc.de/congress/2017/Fahrplan/ https://www.cryptoparty.in/34c3 https://events.ccc.de/tag/34c3/