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

Evidence collection and forensics

Digital evidence can be used in legal proceedings provided it has been preserved in its original state. Evidence loses its integrity if the chain of custody is not maintained. The chain of custody refers to the process of identifying, preserving, analyzing, and presenting evidence in such a manner that it demonstrates the reliability and integrity of the evidence.

Chain of custody

The following are some of the major considerations when demonstrating the chain of custody:

Identify

This refers to the practice of the identification of evidence. This process should not impact the evidence's integrity. Evidence should not be altered or modified in any way.

Preserve

This refers to the process of preserving the evidence, such as the imaging of original media. This process should be followed in the presence of an independent third party. The process of preserving evidence should be documented for further reference.

Analyze

This refers to the process of interpreting...