You can find pictures from the event here and view the archive here.
Press review (in German)
- Heise: Page 1 Page 2 Page 3 Page 4
- Die ZEIT
- DPA article (German news agency - published in several news outlets) i.a. Süddeutsche Zeitung, Focus, Handelsblatt
- Neues Deutschland
From the hacker archive
Documents related to the BTX Hack were published on this website as a countdown before this event: More about this here