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Insider Threat Behavior (Benign Vs Malicious)

Ndukuba Peter Chimampka, Comfort.C Olebara, Elochukwu Ukwandu

Abstract

Insider threats remain one of the most complex and damaging security challenges in modern organizations. While much research has focused on identifying malicious insiders, there is limited understanding of benign insider behaviors that may unintentionally compromise organizational security. This study introduces a novel behavioral framework that differentiates between benign and malicious insider actions, incorporating psychological, behavioral, and organizational factors. Unlike previous studies that primarily rely on historical data or post-incident analysis, this research applies a mixed-methods approach combining real-time behavioral analytics, controlled simulations, and machine learning classification techniques to predict potential insider risks. The proposed methodology captures subtle indicators of risk, such as unusual access patterns, policy violations, and inadvertent procedural lapses, while distinguishing them from intentional malicious acts. The outcomes of this study provide organizations with a proactive and nuanced risk assessment tool, enabling tailored mitigation strategies that address both intentional threats and inadvertent errors. This research not only advances the theoretical understanding of insider behavior but also offers practical applications for improving organizational resilience.

Keywords

Insider ThreatBenign Insider BehaviorMalicious Insider BehaviorBehavioral AnalyticsRisk PredictionOrganizational Security

References

Capelli, D., Moore, A., & Trzeciak, R. (2012). The CERT guide to insider threats: How to prevent, detect, and respond to information technology crimes (2nd ed.). Addison-Wesley Professional. Cappelli, D., Moore, A., Trzeciak, R., & Shimeall, T. (2012). Common sense guide to prevention and detection of insider threats (4th ed.). Carnegie Mellon University. Cole, E., & Ring, S. (2015). Insider threats in cybersecurity: Prevention, detection, and response. Elsevier. Eberle, W., & Holder, L. (2009). Insider threat detection using graph-based approaches. Journal of Applied Security Research, 4(1), 32–81. https://doi.org/10.1080/19361610902807177 Greitzer, F. L., & Frincke, D. A. (2010). Combining traditional cyber security audit data with psychosocial data: Towards predictive modeling for insider threat mitigation. Insider Threats in Cyber Security, 85–113. Springer. Greitzer, F. L., Frincke, D. A., Kangas, L. J., & Luch, T. (2014). Behavioral indicators for insider threat: Research directions. IEEE Security & Privacy, 12(3), 42–49. https://doi.org/10.1109/MSP.2014.54 Posey, C., Roberts, T., & Lowry, P. (2011). Bridging the divide: A qualitative comparison of technical and social approaches to managing insider threats. Information Management & Computer Security, 19(5), 289–311. https://doi.org/10.1108/09685221111187214

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