Contents:
IS Audit as a Support Function. Auditees as Part of the Audit Team. IS Audit Quality Assurance. Judgmental or Non-Statistical Sampling. Planning a Sampling Application. Computer Assisted Audit Solutions. Application and Industry-Related Audit Software. Types of Follow-Up Action. Performance Measurement and Reporting. Business Process Re-Engineering Motivation. IS as an Enabler of Re-Engineering.
Strategic Planning for IS. Design the Audit Procedures. Copyrights, Trademarks, and Patents. Corporate Codes of Conduct. Support Tools and Frameworks. Systems and Infrastructure Lifecycle Management. Information Management and Usage. What Are Advanced Systems? Service Delivery and Management. Development, Acquisition, and Maintenance of Information Systems.
Systems Development Life Cycle Control: Why Do Systems Fail? Auditor's Role in Software Development. Audit and Control of Purchased Packages. Audit Role in Feasibility Studies and Conversions.
Audit and Development of Application Controls. Control Objectives of Business Systems. Designing an Appropriate Audit Program. Information Technology Service Delivery and Support. Auditing the Technical Infrastructure. Continuity Management and Disaster Recovery. Managing Service Center Change. Protection of Information Assets.
An external auditor reviews the findings of the internal audit as well as the inputs, processing and outputs of information systems. The external audit of information systems is frequently a part of the overall external auditing performed by a Certified Public Accountant CPA firm. IS auditing considers all the potential hazards and controls in information systems. It focuses on issues like operations, data, integrity, software applications, security, privacy, budgets and expenditures, cost control, and productivity.
Guidelines are available to assist auditors in their jobs, such as those from Information Systems Audit and Control Association. The following are basic steps in performing the Information Technology Audit Process: Auditing information security is a vital part of any IT audit and is often understood to be the primary purpose of an IT Audit. The broad scope of auditing information security includes such topics as data centers the physical security of data centers and the logical security of databases, servers and network infrastructure components , [6] networks and application security.
The concept of IT auditing was formed in the mids. Since that time, IT auditing has gone through numerous changes, largely due to advances in technology and the incorporation of technology into business. Currently, there are many IT dependent companies that rely on the Information Technology in order to operate their business e.
Information Systems Auditing: Tools and Techniques—Creating Audit Programs .. In general terms, the typical audit process consists of three major phases. Information Systems Auditing: The IS Audit Planning Process is part of an electronic booklets series providing comprehensive IS audit planning, study.
Telecommunication or Banking company. For the other types of business, IT plays the big part of company including the applying of workflow instead of using the paper request form, using the application control instead of manual control which is more reliable or implementing the ERP application to facilitate the organization by using only 1 application.
According to these, the importance of IT Audit is constantly increased. One of the most important role of the IT Audit is to audit over the critical system in order to support the Financial audit or to support the specific regulations announced e. The following principles of an audit should find a reflection: This list of audit principles for crypto applications describes - beyond the methods of technical analysis - particularly core values, that should be taken into account.
There are also new audits being imposed by various standard boards which are required to be performed, depending upon the audited organization, which will affect IT and ensure that IT departments are performing certain functions and controls appropriately to be considered compliant.
The extension of the corporate IT presence beyond the corporate firewall e. The purposes of these audits include ensuring the company is taking the necessary steps to:. The rise of VOIP networks and issues like BYOD and the increasing capabilities of modern enterprise telephony systems causes increased risk of critical telephony infrastructure being mis-configured, leaving the enterprise open to the possibility of communications fraud or reduced system stability.
For the other types of business, IT plays the big part of company including the applying of workflow instead of using the paper request form, using the application control instead of manual control which is more reliable or implementing the ERP application to facilitate the organization by using only 1 application. Joseph is the former executive editor of Compliance Week, where he was responsible for all editorial functions. Auditor's Role in Software Development. Defining the Audit Universe. According to the guide, the audit process consists of three phases: They include many types of tools and techniques, such as generalized audit software, utility software, test data, application software tracing and mapping, and audit expert systems.
Banks, Financial institutions, and contact centers typically set up policies to be enforced across their communications systems. The task of auditing that the communications systems are in compliance with the policy falls on specialized telecom auditors.
A pervasive IS Control are general controls which are designed to manage and monitor the IS environment and which therefore affect all IS-related activities. Some of the pervasive IS Controls that an auditor may consider include:. A detailed IS control is a control over acquisition, implementation, delivery and support of IS systems and services.
The IS auditor should consider, to the level appropriate for the audit area in question:. Control risk is the risk that an error which could occur in an audit area, and which could be material, individually or in combination with other errors, will not be prevented or detected and corrected on a timely basis by the internal control system. For example, the control risk associated with manual reviews of computer logs can be high because activities requiring investigation are often easily missed owing to the volume of logged information.
The control risk associated with computerised data validation procedures is ordinarily low because the processes are consistently applied. The IS auditor should assess the control risk as high unless relevant internal controls are:. In determining the level of substantive testing required, the IS auditor should consider both:. The higher the assessment of inherent and control risk the more audit evidence the IS auditor should normally obtain from the performance of substantive audit procedures.
In understanding the Audit Universe we perform the following:. The template xxx will provide you with a guideline to document an Organisations Business Sub Processes identified during the risk analysis phase. This WCGW represent the threat existing on a particular process. For each Key Activity:. Based on our risk assessment and upon the identification of the risky areas, we move ahead to develop an Audit Plan and Audit Program.
The Audit Plan will detail the nature, objectives, timing and the extent of the resources required in the audit. Based on the compliance testing carried out in the prior phase, we develop an audit program detailing the nature, timing and extent of the audit procedures. They are sub-divided into:. COBIT provides managers, auditors, and IT users with a set of generally accepted measures, indicators, processes and best practices to assist them in maximizing the benefits derived through the use of information technology and developing appropriate IT governance and control in a company.
The Framework comprises a set of 34 high-level Control Objectives, one for each of the IT processes listed in the framework. These are then grouped into four domains: