What is meant by information system audit?
An information technology audit, or information systems audit, is an examination of the management controls within an Information technology (IT) infrastructure and business applications. IT audits are also known as automated data processing audits (ADP audits) and computer audits.
Why information system audit is important?
In summary, an information systems audit is important because it gives assurance that the IT systems are adequately protected, provide reliable information to users, and are properly managed to achieve their intended benefits.
How is an information systems audit conducted?
Various steps involved in an information systems audit process include obtaining the background information, understanding the controls, developing the audit plan, compliance test of controls, use of analytical review procedures, summary of evidences, and evaluation and opinion.
What are the objectives of information system audit?
Objective: To assess the adequacy of environmental, physical security, logical security, and operational controls designed to protect IS hardware, software, and data against unauthorized access and accidental or intentional destruction or alteration, and to ensure that information systems are functioning in an …
Which is the important characteristic of information system?
Explanation: The information should be counted on to be trustworthy. It should be accurate, consistent with facts and verifiable. Inadequate or incorrect information generally leads to decisions of poor quality.
What are the benefits of information systems?
Other advantages of information systems
- operational efficiencies.
- cost reductions.
- supply of information to decision-makers.
- better customer service.
- continuous availability of the systems.
- growth in communication capabilities and methods.
What are the features of information system?
Information systems are made up of 5 different features: Software, Hardware, People, Data and Telecommunications. Information is data that has been processed and put into context. It has relevance to its purpose and is timely to the time of it use. This can give an increased understanding and decrease any doubt.
What are the objectives of an Information Systems Audit?
Information Systems Audit. Using the risk-based framework for an information systems audit allows the auditor to review and evaluate internal controls that protect the system to meet each of the following objectives: Protect overall system security (includes computer equipment, programs, and data)
What is the purpose of an AIS audit?
• Financial audit • Information systems audit • Reviews the controls of an AIS to assess: – Compliance with internal control policies and procedures; and – Effectiveness in safeguarding assets.
What are the assumptions of an audit through a computer?
– Assumption: If output was correctly obtained from system input, then processing must be reliable. • Current approach: Audit through the computer. – Uses the computer to check adequacy of system controls, data, and output. – SAS-94 requires that external auditors evaluate how audit strategy is affected by an organization’s use of IT.
What are the questions in Chapter 9 of auditing?
CHAPTER 9 Auditing Computer-Based Information Systems f INTRODUCTION • Questions to be addressed in this chapter include: – What are the scope and objectives of audit work, and what major steps take place in the audit process?