Front Matter -- Preface -- Acknowledgment of Reviewers -- Contents -- Figures, Tables, and Box -- In Memoriam -- Executive Summary -- 1 Introduction -- 2 Data Fusion for Security Operations -- 3 Current Data Fusion Endeavors -- 4 Opportunities for Data Fusion -- Appendixes -- Appendix A: Acronyms -- Appendix B: Biographies of the Committee Members -- Appendix C: Selected Presentations on Data Fusion.