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Full-Text Articles in Public Affairs, Public Policy and Public Administration

Illicit Activity Detection In Large-Scale Dark And Opaque Web Social Networks, Dhara Shah, T. G. Harrison, Christopher B. Freas, David Maimon, Robert W. Harrison Feb 2021

Illicit Activity Detection In Large-Scale Dark And Opaque Web Social Networks, Dhara Shah, T. G. Harrison, Christopher B. Freas, David Maimon, Robert W. Harrison

EBCS Articles

Many online chat applications live in a grey area between the legitimate web and the dark net. The Telegram network in particular can aid criminal activities. Telegram hosts “chats” which consist of varied conversations and advertisements. These chats take place among automated “bots” and human users. Classifying legitimate activity from illegitimate activity can aid law enforcement in finding criminals. Social network analysis of Telegram chats presents a difficult problem. Users can change their username or create new accounts. Users involved in criminal activity often do this to obscure their identity. This makes establishing the unique identity behind a given username …


Examining The Crime Prevention Claims Of Crime Prevention Through Environmental Design On System-Trespassing Behaviors: A Randomized Experiment, Daren Fisher, David Maimon, Tamar Berenblum Jan 2021

Examining The Crime Prevention Claims Of Crime Prevention Through Environmental Design On System-Trespassing Behaviors: A Randomized Experiment, Daren Fisher, David Maimon, Tamar Berenblum

EBCS Articles

Crime prevention through environmental design (CPTED) is a non-punitive method for reducing crime through the design of the built environment. The relevance of CPTED strategies however is less clear in the context of computing environments. Building upon prior research indicating that computing environments may change computer users’ behaviors, this study tests the effectiveness of CPTED based approaches in mitigating system trespassing events. Findings from this randomized controlled field trial demonstrate that specific CPTED strategies can mitigate hacking events by: reducing the number of concurrent activities on the target computer, attenuating the number of commands typed in the attacked computer, and …