TY - CONF A1 - Pohlmann, Norbert A2 - Ruland, Christoph T1 - The next step in IT security after Snowden T2 - 2nd International Communications Colloquium Y1 - 2017 UR - https://whge.opus.hbz-nrw.de/frontdoor/index/index/docId/1589 SN - 978-3-8440-2834-8 SP - 11 EP - 19 PB - Shaker CY - Aachen ER -