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CISA – Certified Information Systems Auditor Study Guide

You're reading from   CISA – Certified Information Systems Auditor Study Guide Aligned with the CISA Review Manual 2019 to help you audit, monitor, and assess information systems

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Product type Paperback
Published in Aug 2020
Publisher Packt
ISBN-13 9781838989583
Length 590 pages
Edition 1st Edition
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Author (1):
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Hemang Doshi Hemang Doshi
Author Profile Icon Hemang Doshi
Hemang Doshi
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Table of Contents (19) Chapters Close

Preface 1. Section 1: Information System Auditing Process
2. Audit Planning FREE CHAPTER 3. Audit Execution 4. Section 2: Governance and Management of IT
5. IT Governance 6. IT Management 7. Section 3: Information Systems Acquisition, Development, and Implementation
8. Information Systems Acquisition and Development 9. Information Systems Implementation 10. Section 4: Information System Operations and Business Resilience
11. Information System Operations 12. Business Resilience 13. Section 5: Protection of Information Assets
14. Information Asset Security and Control 15. Network Security and Control 16. Public Key Cryptography and Other Emerging Technologies 17. Security Event Management 18. Other Books You May Enjoy

Virtualization

Virtualization makes it possible to run multiple operating systems simultaneously on a single computer. It refers to the act of creating a virtual (rather than an actual) version of system-related hardware. With the use of virtualization, organizations can increase the efficiency and reduce the cost of IT operations. Virtual resources such as the server, desktop, Operating System, storage, and networks can be created with the help of virtualization tools.

The most important element of virtualization is the hypervisor, which aids in the creation of virtual resources.

Some important terms for virtualization are as follows:

  • Hypervisor: Software or hardware used to create virtual resources
  • Host: The original computer
  • Guest: Virtual resources created by a hypervisor

The following are some of the risks of virtualization:

  • The improper configuration of hypervisors may allow unauthorized access to guests.
  • Attackers may be able to gain unauthorized access with the help of mechanisms...
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