A Study on the Information Systems Audit to the Aspects of Effectiveness on the Software Quality

정보시스템 감리가 소프트웨어 품질에 미치는 영향

The National Computerization Agency has been leading the Information Systems(IS) audit since 1987, as development of IS projects in governmental and public sectors have become daily issues. While many considerations on audit guidelines and techniques for quality management in IS have been given to respond to the fast increasing demand of audit process since mid 1990's, the study on the fact that how audit activities directly affect the quality of software process has been put aside. In this paper, we went through 74 audit results, which were reported by H auditing organization, and performed on 59 IS projects carried on 1999 through 2001. As a result of study, we found that more than one fourth of errors of Coding and Test phases are caused in the earlier phases, which naturally leads to the conclusions that auditing on earlier phases can save a lot of stitches in the later phases. Comparing two types of IS projects-the one that went through only one audit process, and the other that went through two audit processes-, we found that projects with two audits carry less errors on Planning, Analysis, Design phases as a whole, which revealed the facts that IS audit actually gives positive effects on the quality of software.