Book Image

CISA – Certified Information Systems Auditor Study Guide - Second Edition

By : Hemang Doshi
5 (3)
Book Image

CISA – Certified Information Systems Auditor Study Guide - Second Edition

5 (3)
By: Hemang Doshi

Overview of this book

With the latest updates and revised study material, this second edition of the Certified Information Systems Auditor Study Guide provides an excellent starting point for your CISA certification preparation. The book strengthens your grip on the core concepts through a three-step approach. First, it presents the fundamentals with easy-to-understand theoretical explanations. Next, it provides a list of key aspects that are crucial from the CISA exam perspective, ensuring you focus on important pointers for the exam. Finally, the book makes you an expert in specific topics by engaging you with self-assessment questions designed to align with the exam format, challenging you to apply your knowledge and sharpen your understanding. Moreover, the book comes with lifetime access to supplementary resources on an online platform, including CISA flashcards, practice questions, and valuable exam tips. With unlimited access to the website, you’ll have the flexibility to practice as many times as you desire, maximizing your exam readiness. By the end of this book, you’ll have developed the proficiency to successfully obtain the CISA certification and significantly upgrade your auditing career.
Table of Contents (14 chapters)

System Migration

System migration is the process of transferring IT resources (mostly data) to a new hardware or software platform with the purpose of gaining better business value.

IS auditors should ensure the following for efficient, effective, and accurate system and data migration:

  • Processes should be in place to preserve the format, coding, structure, and integrity of the data to be migrated.
  • Processes should be in place to test the migrated data for its integrity and completeness.
  • Data conversion processes must have audit trails and logs to verify the accuracy and completeness of the converted data.

The migration process should ensure the following:

  • There is no disruption of routine operations.
  • There is appropriate security control over data, ensuring confidentiality, integrity, and availability.

The migration process should also ensure the availability of fall-back arrangements. That is, tools and applications should be available...