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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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System Development Methodologies

A system development methodology is a structure that organizations use for the design, development, and implementation of new systems. Different methodologies are available, with each of them having different characteristics. In this section, you will learn about the following concepts:

  • SDLC models
  • SDLC phases
  • Software development methods

SDLC Models

Three widely used SDLC models are the traditional waterfall, the V-shaped model, and the iterative model. The following sections present each of them in detail.

Traditional Waterfall

This model aims to ensure that mistakes are identified at an early stage and not during final acceptance testing. The significant features of this method are as follows:

  • The waterfall method is the most commonly adopted approach for developing business applications.
  • It works well when requirements are well defined and do not undergo frequent changes.
  • This approach is useful when...
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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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