This report analyzes a two-step program designed to achieve security in the administration of the English Comprehension Level (ECL) test given by the Defense Language Institute. Since the ECL test score is the basis for major administrative and academic decisions, there is great motivation for performing well, and student test compromise is prevalent, especially on tests given in the students' own country. The best way to combat compromise is to have a large number of test forms. This report first presents an analysis of the estimated cost of test compromise. There is a discussion of how the problem was handled, and a formula for estimating the cost of compromise is given. The second part of the study describes the development of conceptual tools and computer programs to enable a digital computer to generate valid ECL test-item lists in quantity. Details and statistics are provided along with a discussion of the computer methodology. (VM)