“…The result is an ongoing 'arms race' between attackers and defenders in which the terrorists seek to find gaps within organizational controls and the defenders attempt to close those gaps and further strengthen their control processes (Faria, 2006;English, 2013). In this context, terrorists are innovative and, increasingly, devoid of a constraining ethical basis for behaviour, which means that the potential range of targets that has to be defended is considerable and this impacts upon information-sharing and analysis (Drake, 1998;Boin and Smith, 2006;Asal et al, 2009 Fischbacher-Smith and Fischbacher-Smith, 2013;Fischbacher-Smith et al, 2010;Gill et al, 2013). As a result, terrorism could be seen as the ultimate wicked problem for public management due to the adaptive nature of the principal actors, the nature of communication and informationgathering, and the capability development and learning around attack strategies that has been generated in other conflict zones (and disseminated to interested parties) (Denning, 2010;English, 2013;Byman, 2014Byman, , 2015.…”