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This study researches the varying threats that emanate from terrorists who carry their activity into the online arena. It examines several elements of this threat. First, it explores elements of virtual to virtual attacks. Second, it looks at threats against critical infrastructures that can be traced to online sources. Third, this thesis reports on ways that terrorists are using information technology such as the Internet for propaganda and communication purposes. Finally, it highlights the most crucial ways in which the United States government has responded to the problem. It concludes with a few recommendations for best practices for future engagement with varying aspects of cyberterrorism.

The bulk of this article is concerned with showing why computer hackers and terrorists are unlikely to form an unholy alliance to engage in so-called
cyberterrorism. The remainder of the paper examines why neither hacktivists nor crackers fall easily into the cyberterrorist category either.

This paper describes and discusses the process of secret communication known as steganography. The argument advanced here is that terrorists are unlikely to be employing digital steganography to facilitate secret intra-group communication as has been claimed. This is because terrorist use of digital steganography is both technically and operationally implausible. The position adopted in this paper is that terrorists are likely to employ low-tech steganography such as semagrams and null ciphers instead.

This paper is concerned with the origins and development of the concept of cyberterrorism. It seeks to excavate the story of the concept through an analysis of both popular/media renditions of the term and scholarly attempts to define the borders of same. The contention here is not that cyberterrorism cannot happen or will not happen, but that, contrary to popular perception, it has not happened yet.

Chapter, “Terrorism and IT: cyberterrorism and terrorist organisations online” in book: Howard, Russell D. and Sawyer, Reid L., (eds.) Terrorism and counterterrorism: understanding the new security environment, readings and interpretations

Extremists, such as hate groups espousing racial supremacy or separation, have established an online presence. A content analysis of 157 extremist web sites selected through purposive sampling was conducted using two raters per site. The sample represented a variety of extremist groups and included both organized groups and sites maintained by apparently unaffiliated individuals. Among the findings were that the majority of sites contained external links to other extremist sites (including international sites), that roughly half the sites included multimedia content, and that half contained racist symbols. A third of the sites disavowed racism or hatred, yet one third contained material from supremacist literature. A small percentage of sites specifically urged violence. These and other findings suggest that the Internet may be an especially powerful tool for extremists as a means of reaching an international audience, recruiting members, linking diverse extremist groups, and allowing maximum image control.