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

Biometrics

Biometric verification is a process through which a person can be uniquely identified and authenticated by verifying one or more of their biological features. Examples of these biometric identifiers include a palm, hand geometry, fingerprints, retina and iris patterns, voice, and DNA.

Biometrics – accuracy measure

The accuracy of a biometric system determines how well a system meets the objective. Accuracy measures determine the success factor of the biometric system. In this section, we will discuss a few biometrics accuracy measures.

False acceptance rate (FAR)

This is the rate of acceptance of a false person (that is, an unauthorized person). Biometric control will not restrict the unauthorized person.

For example, if biometrics allows access to an unauthorized person, then it is referred to as false acceptance.

False rejection rate (FRR)

This is the rate of rejection of the correct person (that is, an authorized person). Biometrics will reject even an authorized...