At the beginning of the 21 st Century, before the power of online social networking became apparent, several studies speculated about the likely structure of organised cybercrime (Mann and Sutton 1998;Brenner 2002). In the light of new data on cybercriminal organisations, this paper sets out to revisit their claims. In collaboration with the Serious Organised Crime Agency (SOCA), this paper examines the structure of organised cybercrime by analysing data from online underground markets previously in operation over the Internet. In order to understand the various structures of organised cybercrime which have manifested, theories are drawn from social psychology, organised crime and transaction cost economics (TCE). Since the focus is on how uncertainty is mitigated in trading among cybercriminals, uncertainty is treated as a cost to the transactions and is used as the unit of analysis to examine the mechanisms cybercriminals use to control two key sources of uncertainty: the quality of merchandise and the identity of the trader. The findings indicate that carding forums facilitate organised cybercrime because they offer a hybrid form of organisational structure that is able to address sources of uncertainty and minimise transaction costs to an extent that allows a competitive underground market to emerge. The findings from this study can be used to examine other online applications that could facilitate the online underground economy.

Abstract-Over the last decade, a sophisticated underground economy has emerged over the Internet in which cybercriminals collaborate and trade different goods and services. This study takes a unique approach towards understanding the functioning of the underground economy by focusing on the social dynamics between the cybercriminals. Using anonymized private messaging records from four underground forums formerly operating as online black markets, this study aims to examine the structural properties of the networks of personal interactions between the cybercriminals and to turn the findings into actionable intelligence for tackling the problem of profit-driven cybercrime.

This article reassesses the concept of relative deprivation and restates its relevance and potential to extend the theoretical boundaries of criminology. Rather than search for causes or attempting to determine the genesis of the problem in either individuals or social structures, relative deprivation can sensitize us to the process and emotion of crime, the fluidity of deviant activity and, as such, connects to the contemporary concerns of cultural and psychosocial criminology. The article is also intended to reacquaint criminologists with the work of W.G. Runciman, a leading theorist of relative deprivation. Runciman's work can be seen as an elaboration of Mertonian strain tradition.

At the beginning of the 21 st Century, before the power of online social networking became apparent, several studies speculated about the likely structure of organised cybercrime (Mann and Sutton 1998; Brenner 2002). In the light of new data on cybercriminal organisations, this paper sets out to revisit their claims. In collaboration with the Serious Organised Crime Agency (SOCA), this paper examines the structure of organised cybercrime by analysing data from online underground markets previously in operation over the Internet. In order to understand the various structures of organised cybercrime which have manifested, theories are drawn from social psychology, organised crime and transaction cost economics (TCE). Since the focus is on how uncertainty is mitigated in trading among cybercriminals, uncertainty is treated as a cost to the transactions and is used as the unit of analysis to examine the mechanisms cybercriminals use to control two key sources of uncertainty: the quality of merchandise and the identity of the trader. The findings indicate that carding forums facilitate organised cybercrime because they offer a hybrid form of organisational structure that is able to address sources of uncertainty and minimise transaction costs to an extent that allows a competitive underground market to emerge. The findings from this study can be used to examine other online applications that could facilitate the online underground economy.

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This work presents an overview of some of the tools that cybercriminals employ in order to trade securely. It will look at the weaknesses of these tools and how the behaviour of cybercriminals will sometimes lead them to use tools in a non--optimal manner, creating opportunities for law enforcement to identify and apprehend them. The criminal domain this article focuses on is carding, the online trade in stolen payment card details and the consequent criminal misuse of such data. However, these findings could be applied more broadly, as many of the analysed tools are used across (cyber)criminal domains. This paper is a continuation of earlier work (van Hardeveld, Webber & O'Hara, 2016), in which a crime script analysis of 25 carding tutorials presented the tools that cybercriminals use to cash--out stolen payment card details while remaining anonymous. We use these tutorials and an analysis of the literature to identify how they can be used incorrectly and create a typology of potential behavioural and technological pitfalls in these tools. Finally, we conclude that finding pitfalls in the usage of tools by cybercriminals has the potential to increase the efficiency of disruption, interception and prevention approaches. However, in future work, interviews with law enforcement experts and convicted cybercriminals or still active users should be used to analyse the operational security of cybercriminals in more depth.

This article evaluates cultural criminology and argues that despite its utility in overcoming narrow technocratic empiricism it needs, first, more ethnographic research to support its theoretical material, and second, a firmer foundation for its definition of culture. These issues will be elucidated with reference to an ethnographic study of young people, where it will be further argued that the tendency to glamourize deviancy requires tempering with a dose of realism at the outcome of transgressive activity. The two-dimensional approach of attempting to overcome and integrate the foreground with the background needs to be joined with that of foresight.

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