Book Image

CISA – Certified Information Systems Auditor Study Guide

By : Hemang Doshi
Book Image

CISA – Certified Information Systems Auditor Study Guide

By: Hemang Doshi

Overview of this book

Are you looking to prepare for the CISA exam and understand the roles and responsibilities of an information systems (IS) auditor? The CISA - Certified Information Systems Auditor Study Guide is here to help you get started with CISA exam prep. This book covers all the five CISA domains in detail to help you pass the exam. You’ll start by getting up and running with the practical aspects of an information systems audit. The book then shows you how to govern and manage IT, before getting you up to speed with acquiring information systems. As you progress, you’ll gain knowledge of information systems operations and understand how to maintain business resilience, which will help you tackle various real-world business problems. Finally, you’ll be able to assist your organization in effectively protecting and controlling information systems with IT audit standards. By the end of this CISA book, you'll not only have covered the essential concepts and techniques you need to know to pass the CISA certification exam but also have the ability to apply them in the real world.
Table of Contents (19 chapters)
1
Section 1: Information System Auditing Process
4
Section 2: Governance and Management of IT
7
Section 3: Information Systems Acquisition, Development, and Implementation
10
Section 4: Information System Operations and Business Resilience
13
Section 5: Protection of Information Assets

Business impact analysis

An IS auditor should have a thorough understanding of the objectives of the BIA. The BIA is a process to determine and evaluate the impact of disruption on business processes and so prepare to deal with such disruptive events.

The following are some of the important aspects of a BIA:

  • A BIA is a process to determine critical processes that have a considerable impact on business processes. It determines processes to be recovered as a priority so as to ensure an organization's survival.
  • In order to conduct a successful BIA, it is necessary to obtain an understanding of the organization and key business processes and its dependency on IT and other resources. This can be obtained from the outcome of the risk assessment.
  • The involvement of senior management, the IT department, and end users is critical in terms of conducting a BIA successfully.
  • The following are some of the approaches when it comes to performing a BIA:
    • A questionnaire approach involves developing...