Report and statistical information provided by the National Counterterrorism Center (NCTC) to assist academics, policy makers and the public in understanding the data. The statistical information included in this report is drawn from the data the NCTC maintains on the www.nctc.gov website. The report includes: foreword, a methodology section that explains how the data was compiled and the inherent limitations of the data, NCTC observations related to the statistical material, statistical charts and graphs, summaries of high fatality attacks during 2007, and an academic letter on challenges to cataloging attacks.