It Audit

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It Audit

  1. 2. INTRODUCTION <ul><li>The board of directors and management are responsible for ensuring adequate management practices are in place for effective oversight and management of the institution’s IT environment. All institutions should adopt an effective audit and review program regardless of whether the technology services are provided internally or externally. </li></ul>
  2. 3. Examination Objectives <ul><li>Board Direction and Oversight – Evaluate the board’s involvement in establishing IT audit scope and reporting requirements and ensuring the availability of competent IT audit resources. </li></ul><ul><li>Audit Program – Assess the quality and effectiveness of the IT audit program </li></ul>
  3. 4. Examination Procedures <ul><li>Examination activities should be based on the criticality and complexity of the business functions . </li></ul><ul><li>examination should begin with a review of audit results and the adequacy of corrective actions . </li></ul><ul><li>The Essential Practices for IT Audit should be clearly documented and functioning within the internal control environment. </li></ul>
  4. 5. Essential Practices <ul><li>1. Risk Assessment : A risk assessment provides the internal auditor and the board with objective information to prioritize the allocation of audit resources properly. </li></ul><ul><li>Industry Standard Reference : COBIT: Control Objectives for Information and related Technology. 4.1 ed. 2000, PO9. </li></ul>
  5. 6. Essential Practices <ul><li>2. Audit Plan : </li></ul><ul><li>The IT audit plan defines the IT scope, objectives and strategies. It establishes a balance between scope, timeframes, and staff days to ensure optimum use of resources. </li></ul><ul><li>3.Audit Resources : </li></ul><ul><li>Ensure audit resources are independent, competent, and have the necessary experience to accomplish the IT audit objectives. </li></ul>
  6. 7. Essential Practices <ul><li>Reporting : Reports communicate audit findings to the board. They also assist management in evaluating the quality of its IT department and identifying methods for correcting or improving adverse conditions. </li></ul>
  7. 8. IT-Audit Methodologies <ul><li>CobiT </li></ul><ul><li>BS 7799 - Code of Practice (CoP) </li></ul><ul><li>BSI - IT Baseline Protection Manual </li></ul><ul><li>ITSEC </li></ul><ul><li>Common Criteria (CC) </li></ul>
  8. 9. CobiT <ul><li>Governance, Control & Audit for IT </li></ul><ul><li>Developed by ISACA </li></ul><ul><li>Releases </li></ul><ul><ul><li>CobiT 1: 1996 </li></ul></ul><ul><ul><ul><li>32 Processes </li></ul></ul></ul><ul><ul><ul><li>271 Control Objectives </li></ul></ul></ul><ul><ul><li>CobiT 2: 1998 </li></ul></ul><ul><ul><ul><li>34 Processes </li></ul></ul></ul><ul><ul><ul><li>302 Control Objectives </li></ul></ul></ul>
  9. 10. CobiT - Framework
  10. 11. CobiT - IT Process Matrix <ul><li>Information Criteria </li></ul><ul><ul><li>Effectiveness </li></ul></ul><ul><ul><li>Efficiency </li></ul></ul><ul><ul><li>Confidentiality </li></ul></ul><ul><ul><li>Integrity </li></ul></ul><ul><ul><li>Availability </li></ul></ul><ul><ul><li>Compliance </li></ul></ul><ul><ul><li>Reliability </li></ul></ul><ul><li>IT Resources </li></ul><ul><ul><li>People </li></ul></ul><ul><ul><li>Applications </li></ul></ul><ul><ul><li>Technology </li></ul></ul><ul><ul><li>Facilities </li></ul></ul><ul><ul><li>Data </li></ul></ul>IT Processes
  11. 12. CobiT - Summary <ul><li>Mainly used for IT audits, incl. security aspects </li></ul><ul><li>No detailed evaluation methodology described </li></ul><ul><li>Developed by international organisation (ISACA) </li></ul><ul><li>Up-to-date: Version 2 released in 1998 </li></ul><ul><li>Only high-level control objectives described </li></ul><ul><li>Detailed IT control measures are not documented </li></ul><ul><li>Not very user friendly - learning curve! </li></ul><ul><li>Evaluation results not shown in graphic form </li></ul>
  12. 13. CobiT - Summary <ul><li>May be used for self assessments </li></ul><ul><li>Useful aid in implementing IT control systems </li></ul><ul><li>No suitable basis to write security handbooks </li></ul><ul><li>CobiT package from ISACA: $ 100.-- </li></ul><ul><li>3 parts freely downloadable from ISACA site </li></ul><ul><li>Software available from Methodware Ltd., NZ (www.methodware.co.nz) </li></ul><ul><ul><li>CobiT Advisor 2nd edition: US$ 600.-- </li></ul></ul>

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