Criminology & Criminal Justice
Permanent URI for this communityhttp://hdl.handle.net/1903/2227
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Item Surveillance in Cyberspace: Applying Natural and Place Manager Surveillance to System Trespassing(2016) Remrey, Lizabeth Paige; Maimon, David; Criminology and Criminal Justice; Digital Repository at the University of Maryland; University of Maryland (College Park, Md.)Research on the criminological side of system trespassing (i.e. unlawfully gaining access to a computer system) is relatively rare and has yet to examine the effect of the presence of other users on the system during the trespassing event (i.e. the time of communication between a trespasser’s system and the infiltrated system). This thesis seeks to analyze this relationship drawing on principles of Situational Crime Prevention, Routine Activities Theory, and restrictive deterrence. Data were collected from a randomized control trial of target computers deployed on the Internet network of a large U.S. university. This study examined whether the number (one or multiple) and type (administrative or non-administrative) of computer users present on a system reduced the seriousness and frequency of trespassing. Results indicated that the type of user (administrative) produced a restrictive deterrent effect and significantly reduced the frequency and duration of trespassing events.Item Restrictive Deterrence and the Severity of Hackers' Attacks on Compromised Computer Systems(2014) Wilson II, Theodore Henry; Maimon, David; Criminology and Criminal Justice; Digital Repository at the University of Maryland; University of Maryland (College Park, Md.)There is a lack of consensus within the literature assessing whether surveillance is effective in reducing the seriousness of criminal events, with almost no prior study investigating its operation in cyberspace. This thesis seeks to address both of these domains while drawing on the deterrence perspective. Data were obtained from an experiment conducted over seven months at a large, public university within the United States. Specifically, a series of virtual computers with known vulnerabilities were deployed into the university's computer network as part of a randomized controlled trial. This thesis seeks to examine 1) whether a surveillance banner reduces the severity of offending through inhibiting hackers from escalating to active engagement with the system upon gaining access on the first session and 2) whether the deterrent effect of a surveillance banner persists beyond the first session. This surveillance banner produced a restrictive deterrent effect for the first and second sessions.