1. 2013-12-13 [Full-disclosure] DC4420 - DefCon London: Christmas Social full-disclo Tony Naggs 2. 2008-11-28 [Full-disclosure] DC4420 - DEFCON London - Christmas Meet full-disclo Major Malfunction 3. 2008-11-28 [Full-disclosure] DC4420 - DEFCON London - Christmas meeti full-disclo Major Malfunction