The authors examine the remarkable rise of cyberspace as an arena of interest for national and international security policy through the prism of 'securitization' theory. Considering the relative few serious cyber attacks to date, what explains this rise to prominence and is it actually justified, or …

In this article the authors focus on the human factor in cyber defence in order to improve the resilience of individual people and organisations. They aim to understand attackers' working methods that most try to manipulate the behaviour of people by exploiting a number of psychological and sociological …

Next to sea, land, air and space, cyberspace appears to be the fifth operational domain for the military. This manmade and virtual sphere brings along opportunities and threats. In this book, academics of the Netherlands Defence Academy as well as specialists and military professionals from other institutions …

Deployments, such as the ones to Uruzgan, do not end when service members return home. For an extensive period of time, they have performed their jobs in a hazardous environment, with ambushes and violent attacks and the risk of being wounded or even killed. They may also have witnessed violation of …

The authors make an attempt to economize the 'feeling of being secure' in times of cyber threats. They distinguish the direct costs of cyber attacks, the indirect costs that follow from the responses to deter (possible) attacks and the indirect expenditures resulting from the rules and regulations that …

The authors concentrate on the cooperation of organisations - from government and the market sector - to address cyber threats. They discern three network action models that respectively deal with organisations' routine wrestling to fight every day's attacks on digital systems, a possible disruption …

Cyber war is the result of complex technologies that not many people really comprehend. However, insight into this complexity is needed to analyse the vulnerability or the opposite -the robustness and resilience- of the digital networks that are targeted by cyberthreats. Based on mathematical game theory, …

Reflection on the role of social media in social movements, conflicts in civil society and military operations. While acknowleging the use of the digital media as a form of cyber warfare by groups such as Al Qaeda and the Taliban to good effect against ISAF in Afghanistan, the authors suggest that in …

In this article an imaginary military Headquarters is the central objects of analysis. Military HQs are high on the target lists of terrorists and adversaries in general. The amount of digital information exchange in such strategic settings is gigantic. The authors focus on the entry gates of such an …

Preprint submitted to Information Processing & Management Tags are a convenient way to label resources on the web. An interesting question is whether one can determine the semantic meaning of tags in the absence of some predefined formal structure like a thesaurus. Many authors have used the usage data …