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

Product typeBook
Published inJun 2023
PublisherPackt
ISBN-139781803248158
Edition2nd Edition
Concepts
Information Security
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Author (1)
Hemang Doshi
Hemang Doshi
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Hemang Doshi

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.
Read more about Hemang Doshi

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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 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.

Some important terms for virtualization are as follows:

  • Hypervisor: Software or hardware used to create virtual resources.

This is the most important element of virtualization as it aids in the creation of 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...
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CISA – Certified Information Systems Auditor Study Guide - Second Edition
Published in: Jun 2023Publisher: PacktISBN-13: 9781803248158
© 2023 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Hemang Doshi

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.
Read more about Hemang Doshi

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