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 cases and feasibility analysis

It is very important to consider the business case and feasibility analysis before undertaking any new project. The IS auditor should have a basic understanding of the business case as well as the feasibility study.

Business cases

A business case is a justification for a proposed project. The business case is prepared to justify the effort and investment in a proposed project. It captures the reasoning for initiating a project or task. Generally, the business case is the precursor to the start of the project. The business case is a key element in decision-making for any project. Development of the business case is the responsibility of the project sponsor.

The proposed ROIs, along with any other expected benefits, are the most important consideration for decision-making in any new project.

Feasibility analysis

A feasibility study is an analysis that takes various factors into account, including economic, technical, and legal factors, to ascertain...