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Sorting Insiders from Co-workers: Remote synchronous computer-mediated triage for investigating insider attacks

Research output: Contribution to Journal/MagazineJournal articlepeer-review

E-pub ahead of print
  • Coral Dando
  • Paul Taylor
  • Tarek Menacere
  • Thomas Ormerod
  • Linden Ball
  • Alexandra Sandham
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<mark>Journal publication date</mark>7/03/2022
<mark>Journal</mark>Human Factors
Number of pages13
Publication StatusE-pub ahead of print
Early online date7/03/22
<mark>Original language</mark>English

Abstract

Objective
Develop and investigate the potential of a remote, computer-mediated and synchronous text-based triage, which we refer to as InSort, for quickly highlighting persons of interest after an insider attack.

Background
Insiders maliciously exploit legitimate access to impair the confidentiality and integrity of organizations. The globalisation of organisations and advancement of information technology means employees are often dispersed across national and international sites, working around the clock, often remotely. Hence, investigating insider attacks is challenging. However, the cognitive demands associated with masking insider activity offer opportunities. Drawing on cognitive approaches to deception and understanding of deception-conveying features in textual responses, we developed InSort, a remote computer-mediated triage.

Method
During a 6-hour immersive simulation, participants worked in teams, examining password protected, security sensitive databases and exchanging information during an organized crime investigation. Twenty-five percent were covertly incentivized to act as an ‘insider’ by providing information to a provocateur.

Results
Responses to InSort questioning revealed insiders took longer to answer investigation relevant questions, provided impoverished responses, and their answers were less consistent with known evidence about their behaviours than co-workers.

Conclusion
Findings demonstrate InSort has potential to expedite information gathering and investigative processes following an insider attack.

Application
InSort is appropriate for application by non-specialist investigators and can be quickly altered as a function of both environment and event. InSort offers a clearly defined, well specified, approach for use across insider incidents, and highlights the potential of technology for supporting complex time critical investigations.

Bibliographic note

The final, definitive version of this article has been published in the Journal, Social Psychological and Personality Science, ? (?), 2021, © SAGE Publications Ltd, 2021 by SAGE Publications Ltd at the Social Psychological and Personality Science page: https://journals.sagepub.com/home/SPP on SAGE Journals Online: http://journals.sagepub.com/