CSUN IS 630 - Auditing Computer-based Information Systems (17 pages)

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Auditing Computer-based Information Systems



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Auditing Computer-based Information Systems

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Lecture Notes


Pages:
17
School:
California State University, Northridge
Course:
Is 630 - Acct Info Systems

Unformatted text preview:

IS 630 Accounting Information Systems http www csun edu dn58412 IS630 IS630 F14 htm Auditing Computer based Information Systems Lecture 10 Learning Objectives Scope and objectives of audit work and major steps in the audit process Objectives of an information system audit and four step approach necessary for meeting these objectives Design a plan for the study and evaluation of internal control in an AIS Describe computer audit software and explain how it is used in the audit of an AIS Describe the nature and scope of an operational audit IS 630 Lecture 10 2 Auditing The systematic process of obtaining and evaluating evidence regarding assertions about economic actions and events in order to determine how well they correspond with established criteria IS 630 Lecture 10 3 Types of Audits Financial Examines the reliability and integrity of o Financial transactions accounting records and financial statements Information System Reviews the controls of an AIS to assess compliance with o Internal control policies and procedures and effectiveness in safeguarding assets Operational Economical and efficient use of resources and the accomplishment of established goals and objectives Compliance Determines whether entities are complying with o Applicable laws regulations policies and procedures Investigative Incidents of possible fraud misappropriation of assets waste and abuse or improper governmental activities IS 630 Lecture 10 4 The Audit Process Planning Collecting Evidence Evaluating Evidence Communicating Audit Results IS 630 Lecture 10 5 Planning the Audit Why when how whom Work targeted to area with greatest risk Inherent o Chance of risk in the absence of controls Control o Risk a misstatement will not be caught by the internal control system Detection o Chance a misstatement will not be caught by auditors or their procedures IS 630 Lecture 10 6 Collection Of Audit Evidence Not everything can be examined so samples are collected Observation activities to be audited



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