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CISA – Certified Information Systems Auditor Study Guide - Second Edition

You're reading from  CISA – Certified Information Systems Auditor Study Guide - Second Edition

Product type Book
Published in Jun 2023
Publisher Packt
ISBN-13 9781803248158
Pages 330 pages
Edition 2nd Edition
Languages
Concepts
Author (1):
Hemang Doshi Hemang Doshi
Profile icon Hemang Doshi
LinkedIn
Hemang Doshi has more than 15 years of experience in the field of system audit, IT risk and compliance, internal audit, risk management, information security audit, third-party risk management, and operational risk management. He has authored several books for certification such as CISA, CRISC, CISM, DISA, and enterprise risk management.
See other products by Hemang Doshi

Table of Contents (14) Chapters

Preface 1. Chapter 1: Audit Planning 2. Chapter 2: Audit Execution 3. Chapter 3: IT Governance 4. Chapter 4: IT Management 5. Chapter 5: Information Systems Acquisition and Development 6. Chapter 6: Information Systems Implementation 7. Chapter 7: Information Systems Operations 8. Chapter 8: Business Resilience 9. Chapter 9: Information Asset Security and Control 10. Chapter 10: Network Security and Control 11. Chapter 11: Public Key Cryptography and Other Emerging Technologies 12. Chapter 12: Security Event Management 13. Other Books You May Enjoy

Network and Endpoint Devices

The hardening and configuration of network and endpoint devices are very important from the perspective of information security. An IS auditor should therefore be aware of the basic functioning and capability of network devices to evaluate the risk and control associated with them. In this section, we will identify the risks associated with network security and related controls.

Open System Interconnection (OSI) Layers

The OSI model explains the layered steps of the network. In an OSI model, there are seven layers, and each layer is defined according to a specific function to be performed. All these layers collaborate to transmit the data from one layer to another. The following table shows the functions of each layer:

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Authors (1)

Profile icon Hemang Doshi
LinkedIn
Hemang Doshi has more than 15 years of experience in the field of system audit, IT risk and compliance, internal audit, risk management, information security audit, third-party risk management, and operational risk management. He has authored several books for certification such as CISA, CRISC, CISM, DISA, and enterprise risk management.
See other products by Hemang Doshi

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Layer

Name

Description

1st

Physical layer

The physical layer...