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Recent years have seen a great deal of interest in phenomena such as Al Qaida ‘terrorism’, Islamic ‘radicalism’ or, increasingly, ‘jihadism’ – on the Internet. However, as I argue in this thesis, much work in these areas has been problematic for a number of reasons. Much literature has been narrowly focused on the security issues which it pre-judges the content to raise, and has therefore taken some aspects too literally while ignoring others. Conversely, where authors have addressed ‘jihadi’ content or ‘electronic jihad’ as a phenomenon unto itself, they have had difficulty making sense of it within religious studies or political communication frameworks. In this dissertation, I propose an alternative approach. Deliberately eschewing frameworks based on pre-existing conceptions of religion or politics, I draw, instead, on the academic literature on fandom and subcultural media consumption. Using this conceptual lens, I attempt to analyse jihadism on the Internet (which I define in terms of online consumption of, and identification with self-described ‘jihadi’ content) as a subcultural phenomenon on its own terms. I argue that, without necessarily denying the role that beliefs and ideals expressed in ‘jihadi’ content may sometimes have in sustaining the physical violence of the ‘global jihad’, the cultural practices which constitute Internet jihadism have a tactical logic of their own which may not always coincide with the ‘strategic’ interests of ‘global jihad’. By better understanding what ‘ordinary’ jihadis, most of whom will never participate in violence, get out of their practices, and how they negotiate the apparent contradictions of their situation, I suggest that we may be better placed to understand not only why some jihadis ‘fail’ to negotiate these contradictions, but also, perhaps, to raise questions about how popular media consumption works more generally.

This paper examines the ranking of critical assets within an electrical grid under threat of cyber attack. Critical to this analysis is the assumption of zero hour exploits namely, the threat of an immediate attack as soon as a vulnerability is discovered. Modeling shows that over time load fluctuations as well as other system variations will change the importance of each asset in the delivery of bulk power. As opposed to classic stability studies where risk can be shown to be greatest during high load periods, the zero hour exploit-cyber-risk assumes that vulnerabilities will be attacked as soon as they are discovered. The probability of attacks is made uniform over time to include any and all possible attacks. Examining the impact of an attack and how the grid reacts immediately following an attack will identify and determine the criticality of each asset. This work endeavors to fulfill the NERC Critical Infrastructure Protection Requirements CIP-001-1 through CIP-009-2, cyber security requirements for the reliable supply of bulk power to customers throughout North America.

We present two studies of online ephemerality and anonymity based on the popular discussion board /b/ at 4chan.org: a website with over 7 million users that plays an influential role in Internet culture. Although researchers and practitioners often assume that user identity and data permanence are central tools in the design of online communities, we explore how /b/ succeeds despite being almost entirely anonymous and extremely ephemeral. We begin by describing /b/ and performing a content analysis that suggests the community is dominated by playful exchanges of images and links. Our first study uses a large dataset of more than five million posts to quantify ephemerality in /b/. We find that most threads spend just five seconds on the first page and less than five minutes on the site before expiring. Our second study is an analysis of identity signals on 4chan, finding that over 90% of posts are made by fully anonymous users, with other identity signals adopted and discarded at will. We describe alternative mechanisms that /b/ participants use to establish status and frame their interactions.

Al-Qaeda’s media strategy in 2009 reflected the group’s attempts to meet the triple challenge of a shifting media landscape, its enmeshment in the Afghanistan-Pakistan nexus, and the global jihadist movement’s failures over the last several years. The results are ambiguous. Al-Qaeda appears to be holding the attention of the faithful, but it faces a rising din of competing voices, an Internet that is more and more of a mixed blessing, and less resonance in mainstream Arab media than in years past.

Speech by GCHQ Director Ian Lobban at International Institute for Strategic Studies, October 2010