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Research on Mitigating the Insider Threat to Information Systems - #2

Proceedings of a Workshop Held August, 2000

by Robert H. Anderson, Thomas Bozek, Tom Longstaff, Wayne Meitzler, Michael Skroch, Ken Van Wyk

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This is the second in a series of conference reports on the topic of R&D initiatives to mitigate and thwart the insider threat to critical U.S. defense and infrastructure information systems. (The first conference, held August 1999, is reported on in RAND/CF-151-OSD.) This August 2000 workshop's three main focus areas were long-term (2-5 year) research challenges and goals toward mitigating the insider threat; developing insider threat models; and developing near-term solutions using commercial off-the-shelf(COTS) and government off-the-shelf (GOTS) products. The long-term research recommendations stressed the need to develop an underlying system architecture designed explicitly with security and survivability in mind (unlike essentially all operating systems and network architectures in use today). Other topics included R&D needed on differential access controls, means of recording and saving the provenance of a digital document, and dealing with the increasing use of mobile code (e.g., in the form of applets, viruses, worms, or macros) in complex information systems. The report also contains a number of recommendations regarding the purposes and design of models of insider behavior, and near-term recommendations for helping to prevent, discover, and mitigate the threat ofinsider misuse of information systems.

Table of Contents

  • Preface

  • Figures

    Figures and Tables

  • Summary

  • Symbols

    List of Symbols

  • Chapter 1

    Background

  • Chapter 2

    Long-Term (2-5 Yr.) Research Challenges and Goals

  • Chapter 3

    Insider Threat Models

  • Chapter 4

    Near-Term Solutions

  • Chapter 5

    Concluding Remarks

  • Appendix A

    An Insider Threat Model for Model Adversaries

  • Appendix B

    An Insider Threat Model for Adversary Simulation

  • Appendix C

    Modeling Behavior of the Cyber-Terrorist

  • Appendix D

    Can Technology Reduce the Insider Threat?

  • Appendix E

    The Insider Threat to Information Systems

  • Appendix F

    The Insider Espionage Threat

  • Appendix G

    Insider Threat - A Theoretical Model

  • Appendix H

    Information Assurance Cyberecology

  • Chapter I

    Workshop Agenda

  • Appendix J

    Workshop Participants

  • References

Research conducted by

The study was under the auspices of RAND's National Security Research Division.

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